/* Paper Notebook — antjanus.com redesign 013
   The whole site is one notebook. Each section is a different paper stock:
   ruled (home, writing, about, article), dot grid (AI), engineering pad (projects),
   graph paper (patterns). Body text sits on the rules because line-height = rule pitch. */

:root {
  --rule: 2rem;
  --margin-w: 11rem;
  --holes-w: 3.5rem;

  --desk: #d9cdb6;
  --desk-shade: #c9bb9f;
  --paper: #fbf8ef;
  --paper-2: #fffdf7;
  --card: #ffffff;
  --rule-color: #b8cde4;
  --grid-color: rgba(88, 140, 196, 0.22);
  --grid-major: rgba(88, 140, 196, 0.38);
  --eng-color: rgba(64, 140, 96, 0.22);
  --eng-major: rgba(64, 140, 96, 0.4);
  --dot-color: rgba(60, 70, 90, 0.34);
  --margin-line: #e08a84;
  --hole: #d9cdb6;

  --ink: #1f2833;
  --ink-soft: #3a4553;
  --ink-heading: #26405c;
  --muted: #56606d;
  --pen-red: #b3261e;
  --pen-blue: #1f4e8c;
  --pencil: #5d6168;
  --highlight: #fde68a;
  --highlight-pink: #fbcfe8;
  --sticky: #fdf0a6;
  --sticky-edge: #efd86a;
  --focus: #1d4ed8;
  --shadow: 0 1px 2px rgba(60, 45, 20, 0.12), 0 8px 24px -8px rgba(60, 45, 20, 0.25);
  --shadow-lift: 0 2px 4px rgba(60, 45, 20, 0.14), 0 16px 32px -10px rgba(60, 45, 20, 0.35);

  --tape-pink: rgba(244, 170, 190, 0.78);
  --tape-sage: rgba(160, 205, 172, 0.8);
  --tape-mustard: rgba(242, 200, 100, 0.8);
  --tape-blue: rgba(150, 190, 230, 0.8);
  --tape-stripe: rgba(255, 255, 255, 0.45);

  --code-bg: #f7faf3;
  --code-bar: #e2eed8;
  --code-ink: #1d2a1f;
  --code-comment: #5a6e5e;
  --code-string: #8a3b12;
  --code-keyword: #1f4e8c;
  --code-type: #6a2c8c;

  --btn-ink: #26405c;
  --btn-ink-text: #fbf8ef;

  --font-body: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-hand: "Caveat", "Segoe Print", "Bradley Hand", cursive;
  --font-note: "Kalam", "Segoe Print", "Bradley Hand", cursive;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --desk: #121315;
    --desk-shade: #0b0c0d;
    --paper: #1d2026;
    --paper-2: #23272e;
    --card: #262a31;
    --rule-color: #34465c;
    --grid-color: rgba(120, 165, 220, 0.13);
    --grid-major: rgba(120, 165, 220, 0.24);
    --eng-color: rgba(110, 190, 140, 0.13);
    --eng-major: rgba(110, 190, 140, 0.25);
    --dot-color: rgba(210, 220, 235, 0.22);
    --margin-line: #8e4a4a;
    --hole: #121315;
    --ink: #ebe6d9;
    --ink-soft: #d6d0c1;
    --ink-heading: #a9c5e6;
    --muted: #aab2bd;
    --pen-red: #ff9a8b;
    --pen-blue: #8fb8f0;
    --pencil: #b4b8bf;
    --highlight: rgba(234, 190, 60, 0.38);
    --highlight-pink: rgba(236, 120, 170, 0.32);
    --sticky: #4a4424;
    --sticky-edge: #6b6230;
    --focus: #93c5fd;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 10px 26px -8px rgba(0, 0, 0, 0.7);
    --shadow-lift: 0 2px 4px rgba(0, 0, 0, 0.55), 0 18px 34px -10px rgba(0, 0, 0, 0.8);
    --tape-pink: rgba(200, 110, 140, 0.55);
    --tape-sage: rgba(110, 160, 125, 0.55);
    --tape-mustard: rgba(190, 150, 60, 0.55);
    --tape-blue: rgba(100, 140, 190, 0.55);
    --tape-stripe: rgba(255, 255, 255, 0.14);
    --code-bg: #1a1f1b;
    --code-bar: #212a22;
    --code-ink: #dfe9dc;
    --code-comment: #93a896;
    --code-string: #f2b27d;
    --code-keyword: #8fb8f0;
    --code-type: #d3a4f0;
    --btn-ink: #a9c5e6;
    --btn-ink-text: #14171c;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --desk: #121315;
  --desk-shade: #0b0c0d;
  --paper: #1d2026;
  --paper-2: #23272e;
  --card: #262a31;
  --rule-color: #34465c;
  --grid-color: rgba(120, 165, 220, 0.13);
  --grid-major: rgba(120, 165, 220, 0.24);
  --eng-color: rgba(110, 190, 140, 0.13);
  --eng-major: rgba(110, 190, 140, 0.25);
  --dot-color: rgba(210, 220, 235, 0.22);
  --margin-line: #8e4a4a;
  --hole: #121315;
  --ink: #ebe6d9;
  --ink-soft: #d6d0c1;
  --ink-heading: #a9c5e6;
  --muted: #aab2bd;
  --pen-red: #ff9a8b;
  --pen-blue: #8fb8f0;
  --pencil: #b4b8bf;
  --highlight: rgba(234, 190, 60, 0.38);
  --highlight-pink: rgba(236, 120, 170, 0.32);
  --sticky: #4a4424;
  --sticky-edge: #6b6230;
  --focus: #93c5fd;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.5), 0 10px 26px -8px rgba(0, 0, 0, 0.7);
  --shadow-lift: 0 2px 4px rgba(0, 0, 0, 0.55), 0 18px 34px -10px rgba(0, 0, 0, 0.8);
  --tape-pink: rgba(200, 110, 140, 0.55);
  --tape-sage: rgba(110, 160, 125, 0.55);
  --tape-mustard: rgba(190, 150, 60, 0.55);
  --tape-blue: rgba(100, 140, 190, 0.55);
  --tape-stripe: rgba(255, 255, 255, 0.14);
  --code-bg: #1a1f1b;
  --code-bar: #212a22;
  --code-ink: #dfe9dc;
  --code-comment: #93a896;
  --code-string: #f2b27d;
  --code-keyword: #8fb8f0;
  --code-type: #d3a4f0;
  --btn-ink: #a9c5e6;
  --btn-ink-text: #14171c;
  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 2rem; }
body {
  margin: 0;
  background-color: var(--desk);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(255, 255, 255, 0.18), transparent 60%),
    repeating-linear-gradient(92deg, transparent 0 22px, rgba(0, 0, 0, 0.018) 22px 23px, transparent 23px 61px);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: var(--rule);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--pen-blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 2px; }
p, ul, ol, dl, figure, blockquote, pre { margin: 0 0 var(--rule); }
h1, h2, h3, h4 { margin: 0; color: var(--ink-heading); font-weight: 700; }
code { font-family: var(--font-mono); font-size: 0.9em; }
:not(pre) > code { background: var(--highlight-pink); padding: 0 0.25em; border-radius: 3px; color: var(--ink); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; z-index: 50; background: var(--btn-ink); color: var(--btn-ink-text); padding: 0.5rem 1rem; font-family: var(--font-mono); font-size: 0.875rem; }
.skip:focus { top: 1rem; }

/* ---------- desk + notebook ---------- */
.desk { padding: clamp(0.5rem, 2.5vw, 2.5rem) clamp(0.5rem, 2vw, 2rem) 4rem; }
.notebook { position: relative; max-width: 76rem; margin: 0 auto; }

.sheet {
  position: relative;
  background-color: var(--paper);
  padding: 0 clamp(1rem, 4vw, 3.5rem) calc(var(--rule) * 2) var(--margin-w);
  box-shadow: var(--shadow), 6px 6px 0 -1px var(--paper-2), 6px 6px 0 0 var(--desk-shade), 12px 12px 0 -1px var(--paper-2), 12px 12px 0 0 var(--desk-shade);
  border-radius: 2px 6px 6px 2px;
  min-height: 100vh;
}
/* paper stocks */
.paper-ruled .sheet {
  background-image: linear-gradient(to bottom, transparent calc(var(--rule) - 1px), var(--rule-color) calc(var(--rule) - 1px));
  background-size: 100% var(--rule);
  background-position: 0 var(--rule-shift, -0.4rem);
}
.paper-dot .sheet {
  background-image: radial-gradient(circle, var(--dot-color) 1.3px, transparent 1.6px);
  background-size: var(--rule) var(--rule);
  background-position: calc(var(--rule) / -2) calc(var(--rule) / 2 - 0.4rem);
}
.paper-grid .sheet {
  background-image:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: calc(var(--rule) * 5) calc(var(--rule) * 5), calc(var(--rule) * 5) calc(var(--rule) * 5), calc(var(--rule) / 2) calc(var(--rule) / 2), calc(var(--rule) / 2) calc(var(--rule) / 2);
}
.paper-eng .sheet {
  background-color: color-mix(in srgb, var(--paper) 92%, #9fd3a8);
  background-image:
    linear-gradient(var(--eng-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--eng-major) 1px, transparent 1px),
    linear-gradient(var(--eng-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--eng-color) 1px, transparent 1px);
  background-size: calc(var(--rule) * 4) calc(var(--rule) * 4), calc(var(--rule) * 4) calc(var(--rule) * 4), calc(var(--rule) / 2) calc(var(--rule) / 2), calc(var(--rule) / 2) calc(var(--rule) / 2);
}
/* optional paper fiber asset, silently absent if missing */
.sheet::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("assets/paper-fiber.png");
  background-size: 600px;
  opacity: 0.35;
  mix-blend-mode: multiply;
  pointer-events: none;
  border-radius: inherit;
}
/* margin line + punched holes */
.sheet::after {
  content: "";
  position: absolute; top: 0; bottom: 0;
  left: calc(var(--margin-w) - 1.5rem);
  width: 3px;
  border-left: 1px solid var(--margin-line);
  border-right: 1px solid var(--margin-line);
  opacity: 0.85;
  pointer-events: none;
}
.holes {
  position: absolute; top: 0; bottom: 0; left: 0;
  width: var(--holes-w);
  background-image: radial-gradient(circle at 50% 50%, var(--hole) 0 0.8rem, rgba(0, 0, 0, 0.16) 0.8rem 0.9rem, transparent 0.95rem);
  background-size: 100% calc(var(--rule) * 7);
  background-position: 0 calc(var(--rule) * 2);
  background-repeat: repeat-y;
  pointer-events: none;
}
.paper-grid .sheet::after, .paper-eng .sheet::after { opacity: 0.55; }

/* ---------- index tabs (nav) ---------- */
.tabs { display: flex; gap: 0.25rem; padding: 0 0 0 var(--margin-w); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
  --tab: #f2cf73;
  position: relative;
  flex: none;
  display: flex; align-items: center; gap: 0.4rem;
  min-height: 2.75rem;
  padding: 0.5rem 1rem 0.35rem;
  background: var(--tab);
  color: #1d232b;
  font-family: var(--font-hand);
  font-size: 1.5rem; font-weight: 700; line-height: 1;
  text-decoration: none;
  border-radius: 10px 10px 0 0;
  box-shadow: inset 0 -6px 8px -6px rgba(0, 0, 0, 0.25);
  transform: translateY(6px);
  transition: transform 150ms ease;
}
.tabs a:nth-child(1) { --tab: #f6d7a7; }
.tabs a:nth-child(2) { --tab: #b9d9c3; }
.tabs a:nth-child(3) { --tab: #c5d7ee; }
.tabs a:nth-child(4) { --tab: #f4c1cd; }
.tabs a:nth-child(5) { --tab: #ddd0ef; }
.tabs a:nth-child(6) { --tab: #f2dc86; }
.tabs a:hover { transform: translateY(2px); }
.tabs a[aria-current="page"] { transform: translateY(0); box-shadow: none; background: var(--tab); outline: 2px solid rgba(0, 0, 0, 0.15); outline-offset: -2px; }
.tabs a[aria-current="page"]::after { content: ""; position: absolute; left: 0.8rem; right: 0.8rem; bottom: 0.3rem; height: 2px; background: #1d232b; border-radius: 2px; }
:root[data-theme="dark"] .tabs a, :root:not([data-theme="light"]) .tabs a { filter: none; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .tabs a { filter: saturate(0.8) brightness(0.88); } }
:root[data-theme="dark"] .tabs a { filter: saturate(0.8) brightness(0.88); }

@media (min-width: 88rem) {
  .notebook { padding-right: 7.5rem; max-width: 84rem; }
  .tabs {
    position: absolute; top: calc(var(--rule) * 4); right: 0;
    flex-direction: column; gap: 0.35rem; padding: 0; overflow: visible; width: 7.75rem; z-index: 2;
  }
  .tabs a { border-radius: 0 12px 12px 0; transform: translateX(-10px); padding: 0.55rem 0.9rem 0.55rem 1.4rem; box-shadow: inset 8px 0 8px -6px rgba(0, 0, 0, 0.25); }
  .tabs a:hover { transform: translateX(-4px); }
  .tabs a[aria-current="page"] { transform: translateX(0); }
  .tabs a[aria-current="page"]::after { left: 1.4rem; right: 1rem; bottom: 0.35rem; }
}

/* ---------- notebook label header ---------- */
.masthead {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-top: var(--rule);
  min-height: calc(var(--rule) * 4);
}
.brand { display: flex; align-items: center; gap: 0.75rem; color: var(--ink-heading); text-decoration: none; }
.brand svg { width: 3rem; height: 3rem; flex: none; }
.brand-words { display: flex; flex-direction: column; line-height: 1.05; }
.brand-words small { font-family: var(--font-mono); font-size: 0.8125rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.brand-words strong { font-family: var(--font-hand); font-size: 2rem; font-weight: 700; }
.masthead-tools { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.search { display: flex; align-items: center; border-bottom: 2px solid var(--ink-soft); }
.search input {
  width: 11rem; border: 0; background: transparent; color: var(--ink);
  font-family: var(--font-note); font-size: 1.125rem; padding: 0.4rem 0.25rem; min-height: 2.75rem;
}
.search input::placeholder { color: var(--muted); }
.search button, .theme-toggle {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem;
  min-width: 2.75rem; min-height: 2.75rem; padding: 0 0.5rem;
  border: 0; background: transparent; color: var(--ink); cursor: pointer; font: inherit;
}
.theme-toggle { border: 1.5px solid var(--ink-soft); border-radius: 999px; padding: 0 0.85rem; font-family: var(--font-note); font-size: 1rem; }
.theme-toggle:hover { background: var(--highlight); }
.theme-toggle svg, .search svg { width: 1.25rem; height: 1.25rem; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: inline; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .moon { display: inline; }
  :root:not([data-theme="light"]) .theme-toggle .sun { display: none; }
}

/* ---------- type ---------- */
.eyebrow { font-family: var(--font-mono); font-size: 0.875rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); line-height: var(--rule); margin: 0; }
.hand { font-family: var(--font-hand); }
.note-font { font-family: var(--font-note); }
.title-xl { font-family: var(--font-hand); font-size: clamp(3rem, 5.6vw, 4.5rem); line-height: calc(var(--rule) * 2.5); letter-spacing: -0.01em; margin-bottom: calc(var(--rule) * 0.5); }
.title-lg { font-family: var(--font-hand); font-size: clamp(2.5rem, 5vw, 3.75rem); line-height: calc(var(--rule) * 2); }
.title-md { font-family: var(--font-hand); font-size: 2.5rem; line-height: calc(var(--rule) * 2); }
.title-sm { font-family: var(--font-body); font-size: 1.3125rem; line-height: var(--rule); font-weight: 700; }
.lede { font-size: 1.3125rem; line-height: var(--rule); color: var(--ink-soft); max-width: 40rem; }
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); font-size: 0.875rem; }

.hl { background: linear-gradient(100deg, transparent 0.2em, var(--highlight) 0.3em, var(--highlight) calc(100% - 0.3em), transparent calc(100% - 0.15em)); padding: 0 0.15em; color: inherit; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.hl-pink { background: linear-gradient(100deg, transparent 0.2em, var(--highlight-pink) 0.3em, var(--highlight-pink) calc(100% - 0.3em), transparent); }
.scribble { position: relative; white-space: nowrap; }
.scribble svg { position: absolute; left: -2%; bottom: -0.35em; width: 104%; height: 0.6em; overflow: visible; color: var(--pen-red); pointer-events: none; }
.circled { position: relative; display: inline-block; padding: 0 0.3em; }
.circled svg { position: absolute; inset: -0.35em -0.2em; width: calc(100% + 0.4em); height: calc(100% + 0.7em); color: var(--pen-red); pointer-events: none; overflow: visible; }

/* section heading with margin marker */
.sec-head { position: relative; display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 0 1.5rem; margin-bottom: var(--rule); }
.sec-head .margin-mark {
  position: absolute; right: calc(100% + 2.25rem); top: 0.9rem;
  font-family: var(--font-note); font-size: 1.125rem; line-height: 1.3; color: var(--pen-red);
  width: calc(var(--margin-w) - var(--holes-w) - 2.5rem); text-align: right;
}
.sec-head p { margin: 0; color: var(--muted); }
.more-link { font-family: var(--font-note); font-size: 1.1875rem; color: var(--pen-blue); white-space: nowrap; }

/* ---------- margin notes (Tufte-style, left) ---------- */
.m-note {
  float: left; clear: left;
  width: calc(var(--margin-w) - var(--holes-w) - 3rem);
  margin-left: calc((var(--margin-w) - var(--holes-w) - 0.75rem) * -1);
  margin-top: 0.1rem; margin-bottom: 0.5rem;
  font-family: var(--font-note); font-size: 1.0625rem; line-height: 1.45; color: var(--pen-red);
  transform: rotate(-1.5deg);
}
.m-note strong { display: block; font-weight: 700; }
.m-note em { font-style: normal; }

/* ---------- washi tape ---------- */
.taped { position: relative; }
.taped::before, .tape-r::after {
  content: "";
  position: absolute; z-index: 3;
  top: -0.9rem; left: 50%;
  width: 6.5rem; height: 1.75rem;
  translate: -50% 0;
  rotate: -3deg;
  background-color: var(--tape, var(--tape-mustard));
  background-image: var(--tape-pattern, repeating-linear-gradient(90deg, var(--tape-stripe) 0 6px, transparent 6px 12px));
  clip-path: polygon(0 8%, 4% 0, 7% 10%, 11% 0, 15% 9%, 18% 0, 82% 0, 86% 9%, 89% 0, 93% 10%, 96% 0, 100% 8%, 100% 92%, 96% 100%, 93% 90%, 89% 100%, 86% 91%, 82% 100%, 18% 100%, 15% 91%, 11% 100%, 7% 90%, 4% 100%, 0 92%);
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.06);
  pointer-events: none;
}
.tape-corners::before { left: 0.5rem; translate: 0 0; rotate: -38deg; width: 5rem; top: -0.4rem; }
.tape-corners .tape-r::after { left: auto; right: -1.2rem; translate: 0 0; rotate: 38deg; width: 5rem; top: -0.4rem; }
.tape-pink { --tape: var(--tape-pink); --tape-pattern: radial-gradient(circle, var(--tape-stripe) 2px, transparent 2.5px) 0 0 / 10px 10px; }
.tape-sage { --tape: var(--tape-sage); --tape-pattern: repeating-linear-gradient(45deg, var(--tape-stripe) 0 4px, transparent 4px 10px); }
.tape-blue { --tape: var(--tape-blue); --tape-pattern: linear-gradient(var(--tape-stripe) 1px, transparent 1px) 0 0 / 8px 8px, linear-gradient(90deg, var(--tape-stripe) 1px, transparent 1px) 0 0 / 8px 8px; }
.tape-mustard { --tape: var(--tape-mustard); }
.tape-left::before { left: 1.5rem; translate: 0 0; rotate: 4deg; }
.tape-right::before { left: auto; right: 1.5rem; translate: 0 0; rotate: -5deg; }

/* ---------- paper objects ---------- */
.polaroid {
  background: var(--card);
  padding: 0.75rem 0.75rem 0;
  box-shadow: var(--shadow);
  margin: 0;
}
.polaroid img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: repeating-linear-gradient(45deg, var(--paper-2) 0 10px, var(--paper) 10px 20px); }
.polaroid figcaption { font-family: var(--font-note); font-size: 1.125rem; line-height: 1.4; color: var(--ink-soft); padding: 0.6rem 0.25rem 0.9rem; text-align: center; }

.index-card {
  position: relative;
  background-color: var(--card);
  background-image: linear-gradient(to bottom, transparent calc(var(--rule) - 1px), color-mix(in srgb, var(--rule-color) 45%, transparent) calc(var(--rule) - 1px));
  background-size: 100% var(--rule);
  background-position: 0 -0.15rem;
  padding: 0.25rem 1.25rem 1rem;
  box-shadow: var(--shadow);
  border-radius: 2px;
}

.sticky {
  position: relative;
  background: var(--sticky);
  background-image: linear-gradient(to bottom, var(--sticky-edge) 0 0.6rem, transparent 0.6rem);
  padding: 1.25rem 1.25rem 1.1rem;
  font-family: var(--font-note);
  font-size: 1.125rem; line-height: 1.55;
  color: var(--ink);
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.08), 3px 10px 16px -8px rgba(40, 30, 0, 0.35);
  rotate: -1.2deg;
}
.sticky:nth-of-type(even) { rotate: 1.4deg; }
.sticky h3, .sticky h2 { font-family: var(--font-hand); font-size: 1.75rem; line-height: 1.2; margin-bottom: 0.35rem; color: var(--ink); }

/* ---------- buttons ---------- */
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.5rem; }
.btn-stamp {
  display: inline-flex; align-items: center; gap: 0.5rem;
  min-height: 2.75rem; padding: 0.35rem 1.25rem;
  background: var(--btn-ink); color: var(--btn-ink-text);
  font-family: var(--font-mono); font-size: 0.9375rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none; border: 0; cursor: pointer;
  border-radius: 3px;
  box-shadow: 3px 3px 0 var(--pen-red);
  rotate: -1deg;
  transition: box-shadow 150ms ease, translate 150ms ease;
}
.btn-stamp:hover { translate: -1px -1px; box-shadow: 5px 5px 0 var(--pen-red); }
.btn-stamp:active { translate: 2px 2px; box-shadow: 1px 1px 0 var(--pen-red); }
.btn-pen {
  display: inline-flex; align-items: center; min-height: 2.75rem;
  font-family: var(--font-note); font-size: 1.25rem; color: var(--ink-heading); font-weight: 700;
  text-decoration: underline wavy var(--pen-red); text-decoration-thickness: 2px; text-underline-offset: 6px;
}
.btn-pen:hover { background: var(--highlight); }
.btn-pencil { display: inline-flex; align-items: center; min-height: 2.75rem; font-family: var(--font-note); font-size: 1.125rem; color: var(--muted); text-decoration: none; }
.btn-pencil:hover { color: var(--ink); text-decoration: underline; }

/* ---------- chips (tags) ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 0; }
.chip {
  display: inline-flex; align-items: center; min-height: 1.75rem;
  padding: 0 0.6rem;
  font-family: var(--font-mono); font-size: 0.8125rem; line-height: 1.75rem; color: var(--ink);
  background: var(--tape-sage);
  clip-path: polygon(0 0, 100% 0, 97% 25%, 100% 50%, 97% 75%, 100% 100%, 0 100%, 3% 75%, 0 50%, 3% 25%);
  text-decoration: none;
}
.chip:nth-child(3n+2) { background: var(--tape-pink); }
.chip:nth-child(3n+3) { background: var(--tape-blue); }
a.chip:hover { filter: brightness(0.95); text-decoration: underline; }

/* ---------- grids ---------- */
.grid { display: grid; gap: calc(var(--rule) * 1.25) 1.75rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 16.5rem), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 13rem), 1fr)); }

section { position: relative; margin-bottom: calc(var(--rule) * 2); }

/* article card = index card with a taped photo */
.card-post { display: flex; flex-direction: column; padding-top: 1rem; }
.card-post .thumb { margin: 0 -0.25rem 0.5rem; position: relative; }
.card-post .thumb img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; border: 6px solid var(--card); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15); background: var(--paper-2); }
.card-post .meta { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); line-height: var(--rule); }
.card-post h3 { font-size: 1.1875rem; line-height: var(--rule); margin-bottom: 0.25rem; }
.card-post h3 a { color: var(--ink-heading); text-decoration: none; }
.card-post h3 a::after { content: ""; position: absolute; inset: 0; }
.card-post h3 a:hover { text-decoration: underline; }
.card-post:hover { box-shadow: var(--shadow-lift); }
.card-post:focus-within { box-shadow: var(--shadow-lift); }
.card-post p { font-size: 1rem; line-height: var(--rule); color: var(--ink-soft); margin: 0; }
.card-post:nth-child(3n+1) { rotate: -0.6deg; }
.card-post:nth-child(3n+2) { rotate: 0.5deg; }

/* handwritten table-of-contents list (date in margin) */
.log { list-style: none; padding: 0; margin: 0 0 var(--rule); }
.log li { position: relative; display: grid; grid-template-columns: 1fr; padding: 0; }
.log .date {
  position: absolute; right: calc(100% + 2.25rem); top: 0;
  font-family: var(--font-note); font-size: 1.0625rem; color: var(--pen-red); white-space: nowrap; line-height: var(--rule);
}
.log a.title { font-weight: 700; color: var(--ink-heading); text-decoration: none; font-size: 1.1875rem; }
.log a.title:hover { text-decoration: underline; }
.log .desc { color: var(--ink-soft); display: block; }
.log li + li { margin-top: var(--rule); }

/* bullet-journal log (AI page) */
.bujo { list-style: none; padding: 0; margin: 0 0 var(--rule); }
.bujo li { position: relative; padding-left: 2rem; }
.bujo li + li { margin-top: var(--rule); }
.bujo li::before { content: ""; position: absolute; left: 0.5rem; top: 0.8rem; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--ink); }
.bujo li.star::before { content: "✱"; background: none; width: auto; height: auto; top: 0; left: 0.2rem; color: var(--pen-red); font-size: 1.25rem; line-height: var(--rule); }
.bujo li.later::before { content: ">"; background: none; width: auto; height: auto; top: 0; left: 0.45rem; font-family: var(--font-mono); font-weight: 700; color: var(--muted); line-height: var(--rule); }

/* checklist */
.checklist { list-style: none; padding: 0; margin: 0 0 var(--rule); }
.checklist li { position: relative; padding-left: 2.25rem; }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 0.4rem; width: 1.2rem; height: 1.2rem;
  border: 2px solid var(--ink-soft); border-radius: 2px; rotate: -3deg;
}
.checklist li.done::after { content: "✓"; position: absolute; left: 0.15rem; top: -0.35rem; font-family: var(--font-note); font-weight: 700; font-size: 1.6rem; color: var(--pen-red); }

/* stat row with circled numbers */
.stats { display: flex; flex-wrap: wrap; gap: 0.5rem 2.25rem; list-style: none; padding: 0; margin: 0 0 var(--rule); }
.stats li { display: flex; align-items: baseline; gap: 0.6rem; }
.stats .num { font-family: var(--font-hand); font-weight: 700; font-size: 2.5rem; line-height: calc(var(--rule) * 1.5); color: var(--ink-heading); }
.stats .lbl { font-family: var(--font-note); font-size: 1.125rem; color: var(--ink-soft); }

/* ---------- newsletter coupon ---------- */
.coupon {
  position: relative;
  border: 2px dashed var(--ink-soft);
  padding: 1.5rem clamp(1rem, 3vw, 2rem);
  background: var(--paper-2);
}
.coupon .scissors { position: absolute; top: -1rem; left: 1.5rem; background: var(--paper); padding: 0 0.25rem; color: var(--ink-soft); font-size: 1.25rem; line-height: 1.75rem; }
.coupon h2, .coupon h3 { font-family: var(--font-hand); font-size: 2.25rem; line-height: 1.2; margin-bottom: 0.5rem; }
.coupon p { margin-bottom: 1rem; }
.coupon form { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-end; }
.coupon label.field { display: flex; flex-direction: column; flex: 1 1 14rem; font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; line-height: 1.5; }
.coupon input[type="email"] {
  min-height: 2.75rem; border: 0; border-bottom: 2px solid var(--ink-soft); background: transparent;
  font-family: var(--font-note); font-size: 1.25rem; color: var(--ink); padding: 0.25rem 0.25rem;
}
.coupon input::placeholder { color: var(--muted); }
.form-status { font-family: var(--font-note); font-size: 1.125rem; color: var(--pen-red); margin: 0.75rem 0 0; min-height: 1.5rem; }
.form-status.ok { color: var(--ink-heading); }

/* ---------- footer ---------- */
.foot {
  position: relative;
  margin-top: calc(var(--rule) * 2);
  padding-top: var(--rule);
  border-top: 2px solid var(--ink-soft);
  display: grid; gap: var(--rule) 2rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
}
.foot h2 { font-family: var(--font-hand); font-size: 1.75rem; line-height: var(--rule); margin-bottom: 0.25rem; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li a { display: inline-flex; min-height: 2rem; align-items: center; color: var(--ink); }
.foot .blurb { color: var(--ink-soft); }
.foot-bottom { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem; font-family: var(--font-mono); font-size: 0.875rem; color: var(--muted); }
.page-no { font-family: var(--font-note); font-size: 1.25rem; color: var(--pen-red); }
.foot form { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.foot input[type="email"] { flex: 1 1 10rem; min-width: 0; min-height: 2.75rem; border: 0; border-bottom: 2px solid var(--ink-soft); background: transparent; font-family: var(--font-note); font-size: 1.125rem; color: var(--ink); }

/* ---------- home ---------- */
.hero { display: grid; gap: var(--rule) 3rem; grid-template-columns: 1fr; align-items: start; }
@media (min-width: 60rem) { .hero { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); } }
.hero h1 { margin: var(--rule) 0 var(--rule); }
.hero .photo { rotate: 2.2deg; max-width: 30rem; justify-self: center; width: 100%; margin-top: calc(var(--rule) * 1.5); }
.hero .photo img { aspect-ratio: 4 / 4.4; object-position: 20% 30%; }
.doodle-arrow { color: var(--pen-red); width: 7rem; height: 4rem; }
.hero-note { display: flex; align-items: flex-end; gap: 0.5rem; font-family: var(--font-note); color: var(--pen-red); font-size: 1.125rem; margin-top: -0.5rem; }

.coffee {
  position: absolute; width: 11rem; height: 11rem; right: 4%; top: 42%;
  border-radius: 50%;
  background-image: url("assets/coffee-ring.png"), radial-gradient(circle, transparent 0 60%, rgba(150, 100, 40, 0.14) 61% 63%, rgba(150, 100, 40, 0.05) 64% 67%, transparent 68%);
  background-size: cover;
  pointer-events: none; rotate: 20deg;
}

.experiments { counter-reset: exp; }
.exp-card { padding-top: var(--rule); }
.exp-card .type { position: absolute; top: 0.4rem; right: 0.9rem; font-family: var(--font-mono); font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--pen-red); }
.exp-card h3 { font-family: var(--font-hand); font-size: 1.875rem; line-height: var(--rule); }
.exp-card h3 a { color: var(--ink-heading); text-decoration: none; }
.exp-card h3 a::after { content: ""; position: absolute; inset: 0; }
.exp-card h3 a:hover { text-decoration: underline; }
.exp-card p { margin: 0; }
.exp-card .tech { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); }

.work-card { background: var(--btn-ink); color: var(--btn-ink-text); padding: 1.5rem; rotate: 0.8deg; box-shadow: var(--shadow); }
.work-card h3 { color: var(--btn-ink-text); font-family: var(--font-hand); font-size: 2.25rem; line-height: 1.2; }
.work-card p { margin: 0.5rem 0 1rem; }
.work-card a { color: var(--btn-ink-text); font-family: var(--font-note); font-size: 1.25rem; font-weight: 700; }

.linklist { list-style: none; padding: 0; margin: 0; }
.linklist li { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; border-bottom: 1px dotted var(--muted); }
.linklist a { display: inline-flex; min-height: 2rem; align-items: center; font-weight: 600; }
.linklist small { font-family: var(--font-note); color: var(--muted); font-size: 1rem; }

/* ---------- article ---------- */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 5px; z-index: 40; pointer-events: none; }
.progress span { display: block; height: 100%; width: 0; background: var(--pen-red); border-radius: 0 3px 3px 0; box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05); }
.progress output { position: absolute; right: 0.5rem; top: 0.4rem; font-family: var(--font-mono); font-size: 0.8125rem; color: var(--ink); background: var(--paper); padding: 0 0.35rem; border-radius: 3px; box-shadow: var(--shadow); }

.paper-article { --margin-w: 14rem; }
.art-head { padding-top: var(--rule); }
.crumbs { font-family: var(--font-note); font-size: 1.125rem; margin: 0; }
.crumbs a { color: var(--pen-blue); }
.art-meta { display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; font-family: var(--font-mono); font-size: 0.875rem; color: var(--muted); margin-bottom: var(--rule); }
.art-hero { max-width: 48rem; rotate: -1.2deg; margin-bottom: calc(var(--rule) * 2); }
.art-hero img { aspect-ratio: 21 / 9; }
.art-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0 3rem; }
@media (min-width: 75rem) {
  .art-layout { grid-template-columns: minmax(0, 42.5rem) minmax(12rem, 15rem); }
}
.toc-card { align-self: start; margin-bottom: var(--rule); }
@media (min-width: 75rem) { .toc-card { position: sticky; top: 1.5rem; order: 2; rotate: 1deg; } }
.toc-card summary { list-style: none; cursor: pointer; min-height: calc(var(--rule) * 2); display: flex; align-items: center; justify-content: space-between; font-family: var(--font-hand); font-size: 1.75rem; font-weight: 700; color: var(--ink-heading); }
.toc-card summary::-webkit-details-marker { display: none; }
.toc-card summary::after { content: "+"; font-family: var(--font-mono); font-size: 1.25rem; color: var(--pen-red); }
.toc-card[open] summary::after { content: "–"; }
.toc-card ol { list-style: none; padding: 0; margin: 0; counter-reset: toc; }
.toc-card li { counter-increment: toc; }
.toc-card a { display: flex; gap: 0.5rem; padding: 0; min-height: var(--rule); align-items: baseline; color: var(--ink-soft); text-decoration: none; font-size: 1rem; line-height: var(--rule); }
.toc-card a::before { content: counter(toc) "."; font-family: var(--font-note); color: var(--muted); min-width: 1.1rem; }
.toc-card a:hover { color: var(--ink); text-decoration: underline; }
.toc-card a.active { color: var(--ink); font-weight: 700; background: var(--highlight); }
@media (min-width: 75rem) { .toc-card summary { pointer-events: none; } .toc-card summary::after { display: none; } }

.prose { min-width: 0; }
.prose h2 { font-family: var(--font-hand); font-size: 2.625rem; line-height: calc(var(--rule) * 2); margin: var(--rule) 0 0; position: relative; }
.prose h2 .anchor { position: absolute; right: calc(100% + 0.5rem); color: var(--muted); text-decoration: none; font-size: 1.5rem; opacity: 0; }
.prose h2:hover .anchor, .prose h2 .anchor:focus-visible { opacity: 1; }
.prose p, .prose li { max-width: 42.5rem; }
.prose ol, .prose ul { padding-left: 1.5rem; }
.prose ol li::marker { font-family: var(--font-note); color: var(--pen-red); font-weight: 700; }
.prose em { font-style: italic; }

.callout-card { margin: var(--rule) 0 calc(var(--rule) * 2); padding-top: 1.25rem; rotate: -0.5deg; }
.callout-card strong:first-child { font-family: var(--font-hand); font-size: 1.75rem; color: var(--pen-red); display: block; line-height: var(--rule); }
.why { font-family: var(--font-note); color: var(--pen-red); }
.why strong { font-weight: 700; }
.question { margin: var(--rule) 0 calc(var(--rule) * 1.5); max-width: 36rem; }
.question::before { content: ""; position: absolute; top: -0.6rem; left: 42%; width: 1rem; height: 1rem; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #ff8f7f, #b3261e 70%); box-shadow: 1px 2px 2px rgba(0, 0, 0, 0.3); }
.question strong { display: block; font-family: var(--font-hand); font-size: 1.625rem; line-height: 1.2; }
.note-inline { padding-left: 1rem; border-left: 3px solid var(--pen-red); font-style: italic; }

/* printout code blocks: green-bar paper with tractor feed */
.printout {
  --line: 1.625rem;
  position: relative;
  margin: var(--rule) 0 calc(var(--rule) * 1.5);
  background: var(--code-bg);
  box-shadow: var(--shadow);
  padding: 0 2rem;
  rotate: 0.25deg;
}
.printout::before, .printout::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 1.5rem;
  background-image: radial-gradient(circle, var(--paper) 0 0.3rem, rgba(0, 0, 0, 0.12) 0.3rem 0.36rem, transparent 0.4rem);
  background-size: 1.5rem 1.5rem;
  border-color: var(--rule-color);
}
.printout::before { left: 0; border-right: 1px dashed color-mix(in srgb, var(--muted) 50%, transparent); }
.printout::after { right: 0; border-left: 1px dashed color-mix(in srgb, var(--muted) 50%, transparent); }
.printout-bar { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 0.25rem 0.5rem 0.25rem 1rem; border-bottom: 1px dashed color-mix(in srgb, var(--muted) 60%, transparent); }
.printout-bar .lang { font-family: var(--font-mono); font-size: 0.8125rem; letter-spacing: 0.1em; color: var(--muted); font-weight: 600; }
.copy-btn {
  min-height: 2.75rem; min-width: 5rem; padding: 0 0.75rem;
  border: 1.5px solid var(--ink-soft); background: transparent; color: var(--ink);
  font-family: var(--font-note); font-size: 1rem; cursor: pointer; border-radius: 3px;
}
.copy-btn:hover { background: var(--highlight); }
.copy-btn.is-success { border-color: var(--pen-red); color: var(--pen-red); }
.printout pre {
  margin: 0; overflow-x: auto;
  padding: var(--line) 1rem;
  font-family: var(--font-mono); font-size: 0.9375rem; line-height: var(--line);
  color: var(--code-ink); tab-size: 2;
  background-image: linear-gradient(to bottom, var(--code-bar) 50%, transparent 50%);
  background-size: 100% calc(var(--line) * 4);
  background-position: 0 var(--line);
  background-attachment: local;
}
.printout pre code { font-size: inherit; background: none; padding: 0; }
.tok-c { color: var(--code-comment); font-style: italic; }
.tok-s { color: var(--code-string); }
.tok-k { color: var(--code-keyword); font-weight: 600; }
.tok-t { color: var(--code-type); }

.filed { margin-top: calc(var(--rule) * 2); }
.share { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; margin: var(--rule) 0; }
.stamp-link {
  display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 1rem;
  border: 2px solid var(--ink-heading); color: var(--ink-heading);
  font-family: var(--font-mono); font-size: 0.875rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none; background: transparent; cursor: pointer; border-radius: 4px;
  outline: 1px solid var(--ink-heading); outline-offset: -5px;
}
.stamp-link:nth-child(2n) { rotate: -1.5deg; }
.stamp-link:nth-child(3n) { rotate: 1.2deg; }
.stamp-link:hover { background: var(--highlight); }
.stamp-link:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.series-note { font-family: var(--font-note); }

/* ---------- AI stories ---------- */
.story-strip { display: grid; gap: calc(var(--rule) * 1.5) 2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); }
.story { position: relative; }
.story .polaroid { rotate: -1.5deg; }
.story:nth-child(2) .polaroid { rotate: 1.2deg; }
.story:nth-child(3) .polaroid { rotate: -0.6deg; }
.story .part { font-family: var(--font-hand); font-size: 1.5rem; color: var(--pen-red); line-height: var(--rule); margin-top: 0.75rem; display: block; }
.story h3 { font-size: 1.1875rem; line-height: var(--rule); }
.story h3 a { color: var(--ink-heading); }
.story p { font-size: 1rem; }
.story.soon { border: 2px dashed var(--muted); padding: 1rem 1.25rem; color: var(--muted); }
.story.soon h3 { color: var(--muted); }
.original-work { border-left: 4px solid var(--pen-red); padding: 0.5rem 1rem; background: var(--paper-2); font-family: var(--font-note); font-size: 1.125rem; line-height: 1.6; }

.consult {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem;
  padding: 1rem 1.5rem; background: var(--sticky); rotate: -0.4deg; box-shadow: var(--shadow);
  font-family: var(--font-note); font-size: 1.25rem; line-height: 1.5;
}

.feature-card { display: grid; gap: 1.5rem; grid-template-columns: 1fr; padding: 1.5rem; }
@media (min-width: 52rem) { .feature-card { grid-template-columns: 1.1fr 1fr; align-items: center; } }
.feature-card .polaroid { rotate: -1.5deg; }

/* ---------- projects ---------- */
.proj-row { display: grid; gap: 1.5rem 2.5rem; grid-template-columns: 1fr; align-items: center; margin-bottom: calc(var(--rule) * 2); }
@media (min-width: 56rem) {
  .proj-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); }
  .proj-row:nth-child(even) .polaroid { order: 2; }
}
.proj-row .polaroid { rotate: -1.5deg; }
.proj-row:nth-child(even) .polaroid { rotate: 1.5deg; }
.proj-row .polaroid img { aspect-ratio: 16 / 10; object-fit: cover; background: #111; }
.proj-row h3 { font-family: var(--font-hand); font-size: 2.25rem; line-height: calc(var(--rule) * 1.5); }
.proj-row h3 a { color: var(--ink-heading); }
.label-strip { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.stars { font-family: var(--font-note); color: var(--pen-red); font-size: 1.125rem; }
.mini-card h3 { font-size: 1.125rem; line-height: var(--rule); }
.mini-card h3 a { color: var(--ink-heading); }
.mini-card p { font-size: 1rem; margin-bottom: 0.5rem; }
.side-wall { display: grid; gap: calc(var(--rule) * 1.25) 1.75rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); }
.side-wall .polaroid:nth-child(3n+1) { rotate: -2deg; }
.side-wall .polaroid:nth-child(3n+2) { rotate: 1.5deg; }
.side-wall .polaroid:nth-child(3n) { rotate: -0.5deg; }
.side-wall .polaroid img { aspect-ratio: 4 / 3; background: #16181b; }
.side-wall figcaption { text-align: left; }
.side-wall figcaption strong { display: block; font-family: var(--font-hand); font-size: 1.625rem; color: var(--ink-heading); line-height: 1.2; }
.side-wall figcaption span { display: block; font-size: 1rem; line-height: 1.45; color: var(--ink-soft); }
.side-wall figcaption em { display: block; font-style: normal; font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); margin-top: 0.25rem; }
.no-photo { aspect-ratio: 4 / 3; display: grid; place-items: center; background: repeating-linear-gradient(-45deg, var(--paper-2) 0 12px, var(--paper) 12px 24px); color: var(--muted); font-family: var(--font-hand); font-size: 1.75rem; border: 1px dashed var(--muted); }
.jump { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; font-family: var(--font-note); font-size: 1.125rem; margin-bottom: var(--rule); }
.jump a { min-height: 2.75rem; display: inline-flex; align-items: center; }
.big-stats { display: flex; gap: 1.5rem 2.5rem; flex-wrap: wrap; }
.big-stats div { text-align: center; }
.big-stats b { display: block; font-family: var(--font-hand); font-size: 3rem; line-height: 1.1; color: var(--ink-heading); }
.big-stats span { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- about ---------- */
.timeline { list-style: none; padding: 0; margin: 0 0 var(--rule); }
.timeline > li { position: relative; margin-bottom: calc(var(--rule) * 1.5); }
.timeline .period {
  position: absolute; right: calc(100% + 2.25rem); top: 0.2rem; width: calc(var(--margin-w) - var(--holes-w) - 2.5rem); text-align: right;
  font-family: var(--font-note); font-weight: 700; font-size: 1.125rem; color: var(--pen-red); line-height: 1.4;
}
.timeline h3 { font-family: var(--font-hand); font-size: 2rem; line-height: calc(var(--rule) * 1.5); }
.timeline ul { padding-left: 1.25rem; margin: 0; }
.timeline ul li::marker { color: var(--pen-red); }
.career-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 0 0 calc(var(--rule) * 1.5); }
.career-bar li { font-family: var(--font-note); font-size: 1rem; padding: 0.15rem 0.7rem; background: var(--tape-blue); line-height: 1.6; }
.career-bar li:nth-child(odd) { background: var(--tape-mustard); }
.career-bar li b { font-family: var(--font-body); }
.principles { display: grid; gap: 1.75rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); list-style: none; padding: 0; margin: 0 0 var(--rule); counter-reset: pr; }
.principles li { counter-increment: pr; font-size: 1.25rem; }
.principles li::before { content: "No. " counter(pr); display: block; font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); letter-spacing: 0.08em; }
.cap-grid { display: grid; gap: calc(var(--rule)) 2.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr)); }
.cap-grid h3 { font-family: var(--font-hand); font-size: 2rem; line-height: calc(var(--rule) * 1.5); }
.cap-grid p { color: var(--ink-soft); margin-bottom: 0.5rem; }
details.history-toggle > summary { cursor: pointer; list-style: none; display: inline-flex; align-items: center; min-height: 2.75rem; }
details.history-toggle > summary::-webkit-details-marker { display: none; }

/* ---------- patterns ---------- */
.three-ways { display: grid; gap: 1.75rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); margin-bottom: var(--rule); }
.three-ways h3 { font-family: var(--font-hand); font-size: 2rem; line-height: calc(var(--rule) * 1.5); }
.three-ways p { font-size: 1rem; margin: 0; }
.filters { display: flex; flex-direction: column; gap: 1rem; margin-bottom: var(--rule); }
.search-line { display: flex; flex-direction: column; font-family: var(--font-mono); font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.search-line input {
  border: 0; border-bottom: 2px solid var(--ink-soft); background: transparent;
  font-family: var(--font-note); font-size: 1.25rem; color: var(--ink); min-height: 3rem; padding: 0.25rem;
  text-transform: none; letter-spacing: 0;
}
.search-line input::placeholder { color: var(--muted); }
.pill-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pill {
  min-height: 2.75rem; padding: 0 1rem; border: 1.5px solid var(--ink-soft); background: var(--paper-2); color: var(--ink);
  font-family: var(--font-note); font-size: 1.0625rem; cursor: pointer; border-radius: 999px 999px 999px 999px / 60% 40% 60% 40%;
}
.pill:hover { background: var(--highlight); }
.pill[aria-pressed="true"] { background: var(--btn-ink); color: var(--btn-ink-text); border-color: var(--btn-ink); }
.result-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 1.5rem; }
.result-bar output { font-family: var(--font-note); font-size: 1.25rem; color: var(--pen-red); }
.result-bar select { min-height: 2.75rem; border: 1.5px solid var(--ink-soft); background: var(--paper-2); color: var(--ink); font-family: var(--font-note); font-size: 1rem; padding: 0 0.5rem; }
.result-bar .clear { min-height: 2.75rem; border: 0; background: none; color: var(--pen-blue); font-family: var(--font-note); font-size: 1.125rem; text-decoration: underline; cursor: pointer; }
.pat-card { display: flex; flex-direction: column; padding-top: 1rem; }
.pat-card .sketch { height: 9rem; margin: 0 0 0.75rem; border: 1px solid color-mix(in srgb, var(--muted) 45%, transparent); background: var(--paper-2); display: grid; place-items: center; color: var(--pencil); }
.pat-card .sketch svg { width: 80%; height: 80%; }
.pat-card .cat { display: flex; gap: 0.5rem; align-items: center; font-family: var(--font-mono); font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); line-height: var(--rule); }
.badge { font-family: var(--font-note); font-size: 0.9375rem; text-transform: none; letter-spacing: 0; padding: 0 0.5rem; line-height: 1.5; color: #1d232b; background: var(--highlight); rotate: -2deg; display: inline-block; }
.badge.new { background: #f4b4c3; }
.pat-card h2 { font-size: 1.1875rem; line-height: var(--rule); }
.pat-card h2 a { color: var(--ink-heading); text-decoration: none; }
.pat-card h2 a::after { content: ""; position: absolute; inset: 0; }
.pat-card h2 a:hover { text-decoration: underline; }
.pat-card p { font-size: 1rem; margin: 0 0 0.5rem; color: var(--ink-soft); }
.pat-card .when { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); }
.pat-card .good { font-size: 0.9375rem; color: var(--ink-soft); }
.pat-card .good b { font-family: var(--font-note); color: var(--pen-red); }
.pat-card:hover { box-shadow: var(--shadow-lift); }
.empty-state { text-align: center; padding: 2rem 1rem; }
.empty-state svg { width: 7rem; height: 7rem; color: var(--pencil); margin: 0 auto 0.5rem; }
.empty-state h2 { font-family: var(--font-hand); font-size: 2.25rem; line-height: 1.3; }

.panes { background: var(--card); box-shadow: var(--shadow); margin-bottom: calc(var(--rule) * 2); }
.pane-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; border-bottom: 1.5px solid var(--ink-soft); padding: 0 0.5rem; }
.pane-tabs { display: flex; flex-wrap: wrap; gap: 0.15rem; }
.pane-tabs button {
  min-height: 2.75rem; padding: 0 1rem; border: 0; background: transparent; color: var(--muted); cursor: pointer;
  font-family: var(--font-note); font-size: 1.125rem; border-bottom: 3px solid transparent; margin-bottom: -1.5px;
}
.pane-tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--pen-red); font-weight: 700; }
.pane-tabs button:hover { color: var(--ink); }
.pane-actions { display: flex; gap: 0.5rem; align-items: center; padding: 0.35rem 0; }
.pane { padding: 1.5rem clamp(1rem, 3vw, 2rem); }
.pane[hidden] { display: none; }
.pane pre { margin: 0; overflow-x: auto; font-family: var(--font-mono); font-size: 0.9375rem; line-height: 1.6; background: var(--code-bg); padding: 1rem; color: var(--code-ink); }
.pane .note { font-size: 1rem; color: var(--ink-soft); margin-bottom: 1rem; }
.prompt-text p { font-size: 1.0625rem; max-width: 44rem; margin-bottom: 1rem; line-height: 1.7; }
.prompt-text h3 { font-family: var(--font-hand); font-size: 1.75rem; margin: 1.25rem 0 0.25rem; }
.uses { columns: 2 16rem; column-gap: 2.5rem; padding-left: 1.25rem; }
.uses li::marker { color: var(--pen-red); }

/* hairline stat strip demo (pattern preview) */
.stage {
  --ground: #eef0f3; --surface: #ffffff; --surface-2: #f5f7f9; --border: #d2d8e0; --stage-ink: #161b22; --dim: #56606e; --accent: #364f6a; --radius: 10px;
  background: var(--ground); color: var(--stage-ink); padding: clamp(1rem, 3vw, 1.75rem); border-radius: 4px;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.5; font-size: 1rem;
}
:root[data-theme="dark"] .stage { --ground: #10141a; --surface: #191f27; --surface-2: #202834; --border: #2c3743; --stage-ink: #e6ecf3; --dim: #97a4b4; --accent: #6f92bd; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .stage { --ground: #10141a; --surface: #191f27; --surface-2: #202834; --border: #2c3743; --stage-ink: #e6ecf3; --dim: #97a4b4; --accent: #6f92bd; } }
.stage .cap { color: var(--dim); margin: 0 0 0.6rem; font-size: 0.9375rem; line-height: 1.5; }
.hss-strip { display: grid; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; grid-template-columns: 1fr; margin: 0 0 1.5rem; }
@media (min-width: 21rem) { .hss-strip { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 42rem) { .hss-strip { grid-template-columns: repeat(4, 1fr); } }
.hss-strip.five { grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr)); }
.hss-tile { background: var(--surface); padding: 0.85rem 1rem; display: flex; flex-direction: column; gap: 0.15rem; min-width: 0; text-align: left; border: 0; color: inherit; font: inherit; }
button.hss-tile { cursor: pointer; }
button.hss-tile:hover { background: var(--surface-2); }
button.hss-tile[aria-pressed="true"] { background: color-mix(in srgb, var(--accent) 14%, var(--surface)); box-shadow: inset 0 -3px 0 var(--accent); }
.hss-label { font-family: ui-monospace, Menlo, monospace; font-size: 0.8125rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--dim); }
.hss-fig { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1.2; }
.hss-fig.missing { color: var(--dim); }
.hss-sub { font-size: 0.875rem; color: var(--dim); }
.hss-list { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.hss-list li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.6rem 1rem; border-top: 1px solid var(--border); }
.hss-list li:first-child { border-top: 0; }
.hss-list li[hidden] { display: none; }
.hss-list .st { font-size: 0.875rem; color: var(--dim); white-space: nowrap; }
.hss-status { margin: 0.75rem 0 0; color: var(--dim); font-size: 0.9375rem; }

/* ---------- responsive: narrow margin ---------- */
@media (max-width: 56rem) {
  :root, .paper-article { --margin-w: 3.25rem; --holes-w: 0rem; }
  .holes { display: none; }
  .sheet { padding-right: 1.1rem; }
  .sheet::after { left: 2.2rem; }
  .m-note { float: none; width: auto; margin: 0 0 var(--rule); transform: none; padding-left: 0.75rem; border-left: 2px solid var(--pen-red); }
  .sec-head .margin-mark { position: static; width: auto; text-align: left; order: -1; flex-basis: 100%; }
  .log .date, .timeline .period { position: static; width: auto; text-align: left; display: block; }
  .search input { width: 8rem; }
  .coffee { display: none; }
}
@media (max-width: 30rem) {
  .title-xl { font-size: 2.75rem; line-height: calc(var(--rule) * 1.5); }
  .title-lg { font-size: 2.5rem; line-height: calc(var(--rule) * 1.5); }
  .prose h2 { font-size: 2.25rem; line-height: calc(var(--rule) * 1.5); }
  .masthead-tools { width: 100%; justify-content: space-between; }
  .search { flex: 1; }
  .search input { width: 100%; }
  .printout { padding: 0 1.1rem; }
  .printout::before, .printout::after { width: 0.9rem; background-size: 0.9rem 1.5rem; }
  .printout pre { font-size: 0.875rem; padding-left: 0.6rem; padding-right: 0.6rem; }
  .tabs a { font-size: 1.375rem; padding-inline: 0.8rem; }
}

@media (prefers-reduced-motion: no-preference) {
  .sheet { animation: slide-in 450ms cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  @keyframes slide-in { from { opacity: 0; translate: 0 18px; } to { opacity: 1; translate: 0 0; } }
  .card-post, .pat-card, .polaroid { transition: box-shadow 150ms ease, rotate 150ms ease; }
  .card-post:hover, .pat-card:hover { rotate: 0deg; }
  html { scroll-behavior: smooth; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* red header rule on index cards, drawn under the card's own heading */
.card-post .meta { border-top: 2px solid var(--margin-line); padding-top: 0.15rem; }
.exp-card h3, .index-card > .title-md, .three-ways h3, .toc-card summary, .mini-card h3 { border-bottom: 2px solid var(--margin-line); margin-bottom: 0.5rem; }
.callout-card strong:first-child { border-bottom: 2px solid var(--margin-line); margin-bottom: 0.5rem; }
.pat-card .cat { border-top: 2px solid var(--margin-line); }
.shelf { display: grid; gap: 1.75rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); list-style: none; padding: 0; margin: 0; }
.shelf .sticky a { color: var(--ink-heading); font-weight: 700; font-family: var(--font-body); font-size: 1.125rem; }
.shelf .sticky .kind { display: block; font-family: var(--font-mono); font-size: 0.8125rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.25rem; }
.shelf .sticky p { margin: 0.5rem 0 0; font-size: 1.0625rem; }

/* UI pattern library article */
.prose .prose-fig { margin: var(--rule) 0 calc(var(--rule) * 2); }
.prose .prose-fig img { aspect-ratio: auto; height: auto; object-fit: contain; }
.prose .prompt-card p { margin-bottom: .6rem; }
.prose .prompt-card p:last-child { margin-bottom: 0; }
.prose .live-pattern a { text-decoration: none; white-space: normal; display: inline-block; }
.prose p code { overflow-wrap: anywhere; }