/* AntJanus — Micro-Interaction Rich (077)
   Every control answers back: spring on the way in, a relaxed settle on the way out. */

/* ---------- Tokens ---------- */
:root {
  --ground: #fbf7f0;
  --surface: #ffffff;
  --surface-2: #f3ede2;
  --surface-3: #ebe3d4;
  --ink: #1b2531;
  --text: #36414f;
  --muted: #5a6574;
  --border: #e2d9c8;
  --border-strong: #cbbfa9;
  --brand: #364f6a;
  --brand-ledge: #1c2d3f;
  --on-brand: #ffffff;
  --accent: #ff7a4d;
  --accent-ledge: #c2502a;
  --accent-ink: #a8401a;
  --on-accent: #1b2531;
  --mint: #3fbf8c;
  --mint-ink: #17694a;
  --sun: #ffcc4d;
  --grape: #7b61d9;
  --grape-ink: #5a3fbf;
  --code-bg: #1d2530;
  --code-text: #e6ecf3;
  --shadow-rgb: 40 30 15;
  --focus: #2166d1;

  --font-display: "Bricolage Grotesque", "Figtree", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --radius-s: 10px;
  --radius: 18px;
  --radius-l: 28px;
  --pill: 999px;

  --dur-fast: 120ms;
  --dur: 180ms;
  --dur-in: 420ms;
  --dur-out: 480ms;
  --ease-out: cubic-bezier(.2, .8, .2, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
  --spring-soft: cubic-bezier(.3, 1.3, .6, 1);

  --shadow-1: 0 1px 2px rgb(var(--shadow-rgb) / .06), 0 2px 6px rgb(var(--shadow-rgb) / .05);
  --shadow-2: 0 2px 4px rgb(var(--shadow-rgb) / .06), 0 12px 28px -8px rgb(var(--shadow-rgb) / .18);
  --shadow-3: 0 4px 8px rgb(var(--shadow-rgb) / .08), 0 28px 50px -16px rgb(var(--shadow-rgb) / .28);

  --max: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  color-scheme: light;
}

/* Spring curves sampled with linear(); browsers without it keep the cubic-bezier overshoot. */
@supports (transition-timing-function: linear(0, 1)) {
  :root {
    --spring: linear(0, 0.009, 0.035 2.1%, 0.141, 0.281 6.7%, 0.723 12.9%, 0.938 16.7%, 1.017, 1.077, 1.121, 1.149 24.3%, 1.159, 1.163, 1.161, 1.154 29.9%, 1.129 32.8%, 1.051 39.6%, 1.017 43.1%, 0.991, 0.977 51%, 0.974 53.8%, 0.975 57.1%, 0.997 69.8%, 1.003 76.9%, 1.004 83.8%, 1);
    --spring-soft: linear(0, 0.052 3.2%, 0.197 6.6%, 0.411 10.4%, 0.814 17.6%, 0.957 21.3%, 1.052 25.2%, 1.089 28.5%, 1.098 31.8%, 1.084 35.9%, 1.03 44.3%, 1.004 51.3%, 0.993 60%, 1.001 79.6%, 1);
  }
}

:root[data-theme="dark"] {
  --ground: #0f151c;
  --surface: #17202a;
  --surface-2: #1e2935;
  --surface-3: #263342;
  --ink: #eef2f6;
  --text: #cbd3dc;
  --muted: #9ba8b6;
  --border: #2a3746;
  --border-strong: #3b4b5e;
  --brand: #8fb2d9;
  --brand-ledge: #4b6d93;
  --on-brand: #0d1621;
  --accent: #ff8a5c;
  --accent-ledge: #b85530;
  --accent-ink: #ffab88;
  --on-accent: #1b1410;
  --mint: #4fd29c;
  --mint-ink: #6fe0b0;
  --sun: #ffd46b;
  --grape: #a08cf0;
  --grape-ink: #b9a9ff;
  --code-bg: #0b1016;
  --shadow-rgb: 0 0 0;
  --focus: #7cb4ff;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #0f151c; --surface: #17202a; --surface-2: #1e2935; --surface-3: #263342;
    --ink: #eef2f6; --text: #cbd3dc; --muted: #9ba8b6; --border: #2a3746; --border-strong: #3b4b5e;
    --brand: #8fb2d9; --brand-ledge: #4b6d93; --on-brand: #0d1621;
    --accent: #ff8a5c; --accent-ledge: #b85530; --accent-ink: #ffab88; --on-accent: #1b1410;
    --mint: #4fd29c; --mint-ink: #6fe0b0; --sun: #ffd46b; --grape: #a08cf0; --grape-ink: #b9a9ff;
    --code-bg: #0b1016; --shadow-rgb: 0 0 0; --focus: #7cb4ff;
    color-scheme: dark;
  }
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 96px; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--dur-out) var(--ease-out), color var(--dur-out) var(--ease-out);
}
img { max-width: 100%; display: block; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 .5em;
  font-weight: 700;
}
h1 { font-size: clamp(2.4rem, 5.6vw, 4.4rem); font-weight: 800; letter-spacing: -0.035em; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.3rem; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
a { color: inherit; }
code, kbd, pre { font-family: var(--font-mono); font-variant-ligatures: none; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--sun); color: #1b2531; }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--ink); color: var(--ground); padding: .6rem 1rem; border-radius: var(--radius-s);
  transition: top var(--dur) var(--spring);
}
.skip:focus { top: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: min(var(--max), 100% - 2 * var(--gutter)); margin-inline: auto; }
.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section--tint { background: var(--surface-2); }
.eyebrow {
  font-family: var(--font-mono); font-size: .8125rem; text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent-ink); font-weight: 500; margin: 0 0 .75rem; display: inline-flex; align-items: center; gap: .5rem;
}
.lede { font-size: clamp(1.15rem, 1.8vw, 1.35rem); color: var(--text); max-width: 62ch; line-height: 1.55; }
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--ground) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) ease, box-shadow var(--dur) ease;
}
.site-header.is-scrolled { border-bottom-color: var(--border); box-shadow: 0 6px 20px -16px rgb(var(--shadow-rgb) / .5); }
.header-inner { display: flex; align-items: center; gap: 1rem; min-height: 72px; }

.logo { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; color: var(--ink); border-radius: 14px; }
.logo-mark {
  width: 44px; height: 44px; flex: none;
  transition: transform var(--dur-out) var(--ease-out);
}
.logo:hover .logo-mark { transform: rotate(-8deg) scale(1.08); transition: transform var(--dur-in) var(--spring); }
.logo:active .logo-mark { transform: scale(.86); transition-duration: var(--dur-fast); }
.logo-mark .mark-bg { fill: var(--brand); transition: fill var(--dur) ease; }
.logo-mark .mark-fg { fill: none; stroke: var(--on-brand); stroke-width: 3.6; stroke-linecap: round; stroke-linejoin: round; }
.logo-mark .mark-dot { fill: var(--accent); transform-origin: 31px 11px; transition: transform var(--dur-out) var(--ease-out); }
.logo:hover .mark-dot { transform: scale(1.6); transition: transform var(--dur-in) var(--spring); }
.logo-words { display: flex; flex-direction: column; line-height: 1; }
.logo-words small { font-family: var(--font-mono); font-size: .8125rem; color: var(--muted); letter-spacing: .06em; }
.logo-words strong { font-family: var(--font-display); font-size: 1.2rem; font-weight: 800; letter-spacing: -.02em; }

.nav { position: relative; display: flex; align-items: center; gap: .15rem; margin-left: auto; }
.nav a {
  position: relative; z-index: 1;
  text-decoration: none; color: var(--text); font-weight: 600; font-size: 1rem;
  padding: .55rem .9rem; border-radius: var(--pill);
  transition: color var(--dur) ease;
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a .nav-sparkle { display: inline-block; transition: transform var(--dur-out) var(--ease-out); }
.nav a:hover .nav-sparkle { transform: rotate(72deg) scale(1.25); transition: transform var(--dur-in) var(--spring); }
.nav-blob {
  position: absolute; z-index: 0; top: 50%; left: 0; height: 40px; width: 60px;
  border-radius: var(--pill); background: var(--surface-3);
  transform: translate(var(--blob-x, 0), -50%); width: var(--blob-w, 0);
  opacity: 0;
  transition: transform var(--dur-in) var(--spring), width var(--dur-in) var(--spring), opacity var(--dur) ease, background-color var(--dur) ease;
  pointer-events: none;
}
.nav-blob.is-on { opacity: 1; }
.nav-blob.is-active { background: color-mix(in srgb, var(--accent) 26%, var(--surface)); }
.nav:not(.has-blob) a[aria-current="page"] { background: color-mix(in srgb, var(--accent) 26%, var(--surface)); }

.header-tools { display: flex; align-items: center; gap: .5rem; }
.search {
  position: relative; display: flex; align-items: center;
}
.search input {
  width: 9.5rem; height: 44px; padding: 0 1rem 0 2.5rem;
  border: 1.5px solid var(--border); border-radius: var(--pill);
  background: var(--surface); color: var(--ink); font: inherit; font-size: 1rem;
  transition: width var(--dur-out) var(--ease-out), border-color var(--dur) ease, box-shadow var(--dur) ease;
}
.search input::placeholder { color: var(--muted); }
.search input:focus { width: 15rem; outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 22%, transparent); transition: width var(--dur-in) var(--spring), border-color var(--dur) ease, box-shadow var(--dur) ease; }
.search svg { position: absolute; left: .85rem; width: 18px; height: 18px; color: var(--muted); pointer-events: none; transition: transform var(--dur-in) var(--spring); }
.search:focus-within svg { transform: rotate(-12deg) scale(1.12); color: var(--brand); }

.icon-btn {
  width: 44px; height: 44px; display: inline-grid; place-items: center; flex: none;
  border: 1.5px solid var(--border); border-radius: var(--pill); background: var(--surface); color: var(--ink);
  cursor: pointer; padding: 0;
  transition: transform var(--dur-out) var(--ease-out), border-color var(--dur) ease, background-color var(--dur) ease;
}
.icon-btn:hover { transform: translateY(-2px) rotate(-6deg); border-color: var(--border-strong); transition: transform var(--dur-in) var(--spring); }
.icon-btn:active { transform: scale(.88); transition-duration: var(--dur-fast); }
.icon-btn svg { width: 20px; height: 20px; }

/* Theme toggle: sun rays retract into a moon */
.theme-toggle .sun-core { transition: transform var(--dur-in) var(--spring); transform-origin: center; transform-box: fill-box; }
.theme-toggle .rays { transition: transform var(--dur-in) var(--spring), opacity var(--dur) ease; transform-origin: 12px 12px; }
.theme-toggle .moon-cut { transition: transform var(--dur-in) var(--spring); }
:root[data-theme="dark"] .theme-toggle .rays { transform: rotate(90deg) scale(.4); opacity: 0; }
:root[data-theme="dark"] .theme-toggle .sun-core { transform: scale(1.5); }
:root[data-theme="dark"] .theme-toggle .moon-cut { transform: translate(-7px, 5px); }
.theme-toggle { overflow: hidden; }

.burger { display: none; }
.burger span { display: block; width: 18px; height: 2px; background: currentColor; border-radius: 2px; transition: transform var(--dur-in) var(--spring), opacity var(--dur) ease; }
.burger span + span { margin-top: 4px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(.2); }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.burger-inner { display: flex; flex-direction: column; }

.mobile-menu {
  display: none; border-top: 1px solid var(--border); background: var(--ground);
  padding: .75rem var(--gutter) 1.25rem;
}
.mobile-menu.is-open { display: block; }
.mobile-menu a {
  display: flex; justify-content: space-between; align-items: center;
  padding: .85rem .5rem; font-size: 1.25rem; font-family: var(--font-display); font-weight: 700;
  color: var(--ink); text-decoration: none; border-bottom: 1px dashed var(--border);
  animation: dropIn var(--dur-in) var(--spring) both; animation-delay: calc(var(--i, 0) * 40ms);
}
.mobile-menu a[aria-current="page"] { color: var(--accent-ink); }
.mobile-menu .search { margin-top: 1rem; }
.mobile-menu .search input, .mobile-menu .search input:focus { width: 100%; }
@keyframes dropIn { from { opacity: 0; transform: translateY(-10px) scale(.98); } }

/* ---------- Buttons & links ---------- */
.btn {
  --btn-bg: var(--surface); --btn-fg: var(--ink); --btn-ledge: var(--border-strong); --btn-border: var(--border-strong);
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  min-height: 48px; padding: .7rem 1.35rem;
  font: 700 1rem/1.2 var(--font-body); text-decoration: none; cursor: pointer;
  color: var(--btn-fg); background: var(--btn-bg);
  border: 2px solid var(--btn-border); border-radius: 14px;
  box-shadow: 0 5px 0 var(--btn-ledge);
  transform: translateY(0);
  transition: transform var(--dur-out) var(--ease-out), box-shadow var(--dur-out) var(--ease-out), background-color var(--dur) ease;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 7px 0 var(--btn-ledge); transition: transform var(--dur-in) var(--spring), box-shadow var(--dur-in) var(--spring); }
.btn:active { transform: translateY(5px); box-shadow: 0 0 0 var(--btn-ledge); transition-duration: 70ms; transition-timing-function: ease-out; }
.btn--primary { --btn-bg: var(--brand); --btn-fg: var(--on-brand); --btn-ledge: var(--brand-ledge); --btn-border: var(--brand-ledge); }
.btn--accent { --btn-bg: var(--accent); --btn-fg: var(--on-accent); --btn-ledge: var(--accent-ledge); --btn-border: var(--accent-ledge); }
.btn--small { min-height: 44px; padding: .5rem 1rem; font-size: .95rem; box-shadow: 0 4px 0 var(--btn-ledge); }
.btn .btn-arrow { transition: transform var(--dur-out) var(--ease-out); }
.btn:hover .btn-arrow { transform: translateX(4px); transition: transform var(--dur-in) var(--spring); }
.btn[aria-busy="true"] { cursor: progress; }
.btn svg { width: 18px; height: 18px; flex: none; }

.ripple {
  position: absolute; z-index: -1; border-radius: 50%; pointer-events: none;
  background: currentColor; opacity: .22; transform: scale(0);
  animation: ripple 600ms var(--ease-out) forwards;
}
@keyframes ripple { to { transform: scale(1); opacity: 0; } }

.link-draw {
  position: relative; text-decoration: none; font-weight: 700; color: var(--ink);
  background: linear-gradient(var(--accent), var(--accent)) no-repeat 0 100% / 100% 2px;
  padding-bottom: 2px;
  transition: background-size var(--dur-out) var(--ease-out);
}
.link-draw:hover { background-size: 100% 100%; color: var(--on-accent); transition: background-size var(--dur-in) var(--spring), color var(--dur) ease; }
.link-arrow {
  display: inline-flex; align-items: center; gap: .35rem; text-decoration: none; font-weight: 600;
  color: var(--muted); padding: .35rem 0;
}
.link-arrow:hover { color: var(--ink); }
.link-arrow .arr { display: inline-block; transition: transform var(--dur-out) var(--ease-out); }
.link-arrow:hover .arr { transform: translateX(6px); transition: transform var(--dur-in) var(--spring); }
.prose a, .inline-link {
  color: var(--ink); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, var(--accent) 70%, transparent);
  transition: text-decoration-color var(--dur) ease, background-color var(--dur) ease;
  border-radius: 3px;
}
.prose a:hover, .inline-link:hover { text-decoration-color: var(--accent); background: color-mix(in srgb, var(--accent) 16%, transparent); }

/* ---------- Chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: .35rem;
  font: 500 .875rem/1 var(--font-mono);
  padding: .5rem .75rem; min-height: 34px; border-radius: var(--pill);
  background: var(--surface); border: 1.5px solid var(--border); color: var(--text);
  text-decoration: none;
  transition: transform var(--dur-out) var(--ease-out), border-color var(--dur) ease, background-color var(--dur) ease;
}
a.chip:hover, button.chip:hover { transform: translateY(-3px) rotate(-3deg); border-color: var(--accent); transition: transform var(--dur-in) var(--spring); }
a.chip:active, button.chip:active { transform: scale(.92); transition-duration: var(--dur-fast); }
.chip-row { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0; list-style: none; }
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  font: 600 .8125rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: .05em;
  padding: .35rem .6rem; border-radius: 8px;
}
.badge--new { background: var(--mint); color: #0c2a1e; animation: badgePulse 2.4s var(--ease-out) infinite; }
.badge--updated { background: color-mix(in srgb, var(--sun) 70%, var(--surface)); color: #3b2c05; }
.badge--soon { background: var(--surface-3); color: var(--muted); }
@keyframes badgePulse { 0%, 70%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--mint) 60%, transparent); } 35% { box-shadow: 0 0 0 7px transparent; } }

/* ---------- Section heads with self-drawing squiggle ---------- */
.sec-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem 2rem; margin-bottom: 2rem; }
.sec-head h2 { margin: 0; position: relative; display: inline-block; }
.sec-head p { margin: .35rem 0 0; color: var(--muted); font-size: 1.0625rem; }
.squiggle { display: block; width: 140px; height: 14px; margin-top: .35rem; color: var(--accent); overflow: visible; }
.squiggle path { stroke-dasharray: 180; stroke-dashoffset: 0; }
.js [data-reveal] .squiggle path { stroke-dashoffset: 180; transition: stroke-dashoffset 900ms var(--ease-out) 200ms; }
.js [data-reveal].is-in .squiggle path { stroke-dashoffset: 0; }

/* ---------- Scroll reveal (only when JS is present) ---------- */
.js [data-reveal] > .reveal-item, .js [data-reveal].reveal-self {
  opacity: 0; transform: translateY(22px) scale(.98);
}
.js [data-reveal].is-in > .reveal-item, .js [data-reveal].is-in.reveal-self {
  opacity: 1; transform: none;
  transition: opacity 400ms ease, transform 700ms var(--spring-soft);
  transition-delay: calc(var(--i, 0) * 60ms);
}

/* ---------- Cards (stationary trigger, animated child: no hover flicker) ---------- */
.card {
  display: block; position: relative; text-decoration: none; color: inherit; border-radius: var(--radius);
  -webkit-tap-highlight-color: transparent;
}
.card-in {
  height: 100%; display: flex; flex-direction: column;
  background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-1);
  transition: transform var(--dur-out) var(--ease-out), box-shadow var(--dur-out) var(--ease-out), border-color var(--dur) ease;
  will-change: transform;
}
.card:hover .card-in { transform: translateY(-6px) rotate(var(--tilt, -.6deg)); box-shadow: var(--shadow-3); border-color: var(--border-strong); transition: transform var(--dur-in) var(--spring), box-shadow var(--dur-in) var(--ease-out); }
.card:active .card-in { transform: translateY(-1px) scale(.985); transition-duration: var(--dur-fast); }
.card:nth-child(even) { --tilt: .6deg; }
.card:focus-visible { outline: none; }
.card:focus-visible .card-in { outline: 3px solid var(--focus); outline-offset: 3px; }
.card-media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--surface-3); position: relative; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease-out); }
.card:hover .card-media img { transform: scale(1.06); }
.card-body { padding: 1.15rem 1.25rem 1.3rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.card-body h3 { margin: 0; font-size: 1.25rem; }
.card-body p { margin: 0; color: var(--text); font-size: 1rem; }
.card-meta { font: 500 .8125rem/1.3 var(--font-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .05em; display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.card-go {
  margin-top: auto; padding-top: .4rem; display: inline-flex; align-items: center; gap: .4rem;
  font-weight: 700; color: var(--accent-ink); font-size: .95rem;
}
.card-go .arr { transition: transform var(--dur-out) var(--ease-out); display: inline-block; }
.card:hover .card-go .arr { transform: translateX(6px); transition: transform var(--dur-in) var(--spring); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--c, var(--accent)); flex: none; }

.grid { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }

/* ---------- List rows ---------- */
.rows { list-style: none; margin: 0; padding: 0; border-top: 1.5px solid var(--border); }
.row { border-bottom: 1.5px solid var(--border); }
.row a {
  position: relative; display: grid; grid-template-columns: 7.5rem 1fr auto; gap: .5rem 1.5rem; align-items: baseline;
  padding: 1.25rem .75rem; text-decoration: none; color: inherit; overflow: hidden; isolation: isolate;
}
.row a::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--surface);
  transform: scaleX(0); transform-origin: left; transition: transform var(--dur-out) var(--ease-out);
}
.row a::after {
  content: ""; position: absolute; left: 0; top: 18%; bottom: 18%; width: 4px; border-radius: 4px; background: var(--c, var(--accent));
  transform: scaleY(0); transition: transform var(--dur-out) var(--ease-out);
}
.row a:hover::before { transform: scaleX(1); transition: transform var(--dur-in) var(--spring-soft); }
.row a:hover::after { transform: scaleY(1); transition: transform var(--dur-in) var(--spring); }
.row-date { font: 500 .875rem/1.4 var(--font-mono); color: var(--muted); }
.row-title { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--ink); line-height: 1.25; display: block; transition: transform var(--dur-out) var(--ease-out); }
.row a:hover .row-title { transform: translateX(6px); transition: transform var(--dur-in) var(--spring); }
.row-desc { display: block; color: var(--text); margin-top: .3rem; font-size: 1rem; }
.row-go { font-size: 1.4rem; color: var(--accent-ink); opacity: 0; transform: translateX(-10px); transition: opacity var(--dur) ease, transform var(--dur-out) var(--ease-out); }
.row a:hover .row-go, .row a:focus-visible .row-go { opacity: 1; transform: none; transition: opacity var(--dur) ease, transform var(--dur-in) var(--spring); }

/* ---------- Hero (home) ---------- */
.hero { padding-block: clamp(2.5rem, 6vw, 5rem) clamp(3rem, 6vw, 5rem); position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { margin-bottom: 1.25rem; }
.hop-word { display: inline-block; transition: transform var(--dur-out) var(--ease-out), color var(--dur) ease; }
.hop-word:hover { transform: translateY(-8px) rotate(-3deg); color: var(--accent-ink); transition: transform var(--dur-in) var(--spring); }
.hero-sub { font-size: clamp(1.15rem, 1.7vw, 1.3rem); max-width: 40ch; }
.hero-ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin-top: 2rem; }
.status-chip {
  display: inline-flex; align-items: center; gap: .6rem; padding: .45rem .9rem .45rem .6rem;
  background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--pill);
  font-size: .95rem; font-weight: 600; color: var(--text); margin-bottom: 1.5rem;
}
.pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--mint); position: relative; }
.pulse::after { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--mint); animation: pulse 2s var(--ease-out) infinite; }
@keyframes pulse { to { transform: scale(2.8); opacity: 0; } }

.portrait-stage { position: relative; aspect-ratio: 4 / 5; max-width: 460px; justify-self: center; width: 100%; }
.portrait {
  position: absolute; inset: 0; border-radius: 42% 58% 46% 54% / 48% 40% 60% 52%;
  overflow: hidden; background: var(--brand);
  box-shadow: var(--shadow-3);
  transform: perspective(900px) rotateX(var(--ry, 0deg)) rotateY(var(--rx, 0deg));
  transition: transform var(--dur-out) var(--ease-out), border-radius 1.2s var(--spring-soft);
}
.portrait:hover { border-radius: 50% 50% 44% 56% / 42% 50% 50% 58%; }
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 22% 30%; transform: scale(1.12); }
.sticker {
  position: absolute; z-index: 2; display: flex; flex-direction: column; align-items: flex-start;
  padding: .7rem 1rem; border-radius: 16px; background: var(--surface); border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink); cursor: grab; user-select: none;
  transform: rotate(var(--r, -4deg));
  transition: transform var(--dur-out) var(--ease-out), box-shadow var(--dur-out) var(--ease-out);
  font: inherit; color: var(--ink); text-align: left;
}
.sticker:hover { transform: rotate(0deg) scale(1.08) translateY(-4px); box-shadow: 6px 8px 0 var(--ink); transition: transform var(--dur-in) var(--spring), box-shadow var(--dur-in) var(--spring); }
.sticker:active { transform: rotate(0) scale(.94); box-shadow: 1px 1px 0 var(--ink); transition-duration: var(--dur-fast); cursor: grabbing; }
.sticker.is-boing { animation: boing 600ms var(--spring); }
@keyframes boing { 0% { transform: scale(1) rotate(var(--r)); } 30% { transform: scale(1.18, .86) rotate(0); } 60% { transform: scale(.94, 1.08) rotate(2deg); } 100% { transform: scale(1) rotate(var(--r)); } }
.sticker b { font-family: var(--font-display); font-size: 1.9rem; line-height: 1; font-weight: 800; font-variant-numeric: tabular-nums; }
.sticker span { font: 500 .8125rem/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.sticker--a { top: 6%; left: -8%; --r: -6deg; background: var(--sun); }
.sticker--b { top: 44%; right: -10%; --r: 5deg; background: var(--surface); }
.sticker--c { bottom: 4%; left: 4%; --r: -3deg; background: color-mix(in srgb, var(--mint) 55%, var(--surface)); }
.sticker--a span, .sticker--c span { color: #36414f; }
.sticker--a, .sticker--c { color: #1b2531; }

/* ---------- Feature (Start here) ---------- */
.start-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 1.5rem; }
.start-grid .card:first-child { grid-row: span 2; }
.start-grid .card:first-child .card-media { aspect-ratio: 16 / 10; }
.start-grid .card:first-child h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.start-num { font: 800 1rem/1 var(--font-display); background: var(--ink); color: var(--ground); width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; position: absolute; top: 14px; left: 14px; z-index: 2; transition: transform var(--dur-out) var(--ease-out); }
.card:hover .start-num { transform: rotate(360deg) scale(1.1); transition: transform 700ms var(--spring); }

/* ---------- Experiment tiles with per-icon motion ---------- */
.exp .card-in { padding: 1.5rem; gap: .75rem; }
.exp-icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: color-mix(in srgb, var(--c) 22%, var(--surface)); color: var(--ink); border: 1.5px solid color-mix(in srgb, var(--c) 50%, var(--border)); }
.exp-icon svg { width: 28px; height: 28px; transition: transform var(--dur-out) var(--ease-out); }
.card:hover .exp-icon svg { transition: transform 600ms var(--spring); }
.card:hover .exp--bounce svg { transform: translateY(-5px) rotate(-10deg); }
.card:hover .exp--flip svg { transform: rotateY(180deg); }
.card:hover .exp--spin svg { transform: rotate(180deg) scale(1.15); }
.card:hover .exp--wiggle svg { animation: wiggle 500ms var(--ease-out); }
@keyframes wiggle { 20% { transform: rotate(-14deg); } 45% { transform: rotate(10deg); } 70% { transform: rotate(-5deg); } 100% { transform: none; } }
.type-tag { font: 500 .8125rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

/* ---------- Panels ---------- */
.panel { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius-l); padding: clamp(1.25rem, 3vw, 2rem); }
.panel--ink { --ink-panel-text: #f3f5f8; background: #1b2531; color: var(--ink-panel-text); border-color: #1b2531; }
:root[data-theme="dark"] .panel--ink { background: #0a0f15; border-color: var(--border-strong); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .panel--ink { background: #0a0f15; border-color: var(--border-strong); } }
.panel--ink h2, .panel--ink h3 { color: var(--ink-panel-text); }
.panel--ink p { color: #d5dce5; }
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.link-list { list-style: none; margin: 0; padding: 0; display: grid; gap: .25rem; }
.link-list a {
  display: flex; align-items: center; gap: .85rem; padding: .7rem .75rem; border-radius: 12px; text-decoration: none; color: var(--ink); font-weight: 600;
  transition: background-color var(--dur) ease;
}
.link-list a:hover { background: var(--surface-2); }
.link-list .li-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--surface-2); flex: none; transition: transform var(--dur-out) var(--ease-out), background-color var(--dur) ease; }
.link-list a:hover .li-icon { transform: translateY(-4px) rotate(-8deg); background: var(--sun); color: #1b2531; transition: transform var(--dur-in) var(--spring); }
.link-list .li-icon svg { width: 20px; height: 20px; }
.link-list small { display: block; font-weight: 500; color: var(--muted); font-size: .9rem; }

/* ---------- Page heads ---------- */
.page-head { padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem); }
.page-head h1 { max-width: 16ch; }
.page-head-grid { display: grid; grid-template-columns: 1fr minmax(0, 440px); gap: 2.5rem; align-items: center; }
.head-art { border-radius: var(--radius-l); overflow: hidden; aspect-ratio: 4 / 3; background: linear-gradient(135deg, var(--brand), var(--grape)); box-shadow: var(--shadow-2); transform: rotate(2deg); transition: transform var(--dur-out) var(--ease-out); }
.head-art:hover { transform: rotate(-1deg) scale(1.02); transition: transform var(--dur-in) var(--spring); }
.head-art img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Jump / filter pills with sliding thumb ---------- */
.pills { position: relative; display: flex; flex-wrap: wrap; gap: .4rem; padding: .35rem; background: var(--surface); border: 1.5px solid var(--border); border-radius: 18px; width: fit-content; max-width: 100%; }
.pill {
  position: relative; z-index: 1; border: 0; background: none; cursor: pointer; font: 600 .98rem/1 var(--font-body); color: var(--text);
  padding: .7rem 1rem; min-height: 44px; border-radius: 13px; display: inline-flex; align-items: center; gap: .45rem; text-decoration: none;
  transition: color var(--dur) ease, transform var(--dur-out) var(--ease-out);
}
.pill:hover { color: var(--ink); }
.pill:active { transform: scale(.94); transition-duration: var(--dur-fast); }
.pill[aria-pressed="true"], .pill[aria-current="true"] { color: var(--on-brand); }
.pill .count { font: 500 .8125rem/1 var(--font-mono); padding: .25rem .45rem; border-radius: 8px; background: var(--surface-2); color: var(--muted); transition: background-color var(--dur) ease, color var(--dur) ease; }
.pill[aria-pressed="true"] .count, .pill[aria-current="true"] .count { background: color-mix(in srgb, var(--on-brand) 20%, transparent); color: var(--on-brand); }
.pills-thumb {
  position: absolute; z-index: 0; left: 0; top: 0; border-radius: 13px; background: var(--brand);
  transform: translate(var(--tx, 0), var(--ty, 0)); width: var(--tw, 0); height: var(--th, 0);
  transition: transform var(--dur-in) var(--spring), width var(--dur-in) var(--spring), height var(--dur-in) var(--spring);
  box-shadow: 0 3px 0 var(--brand-ledge);
}
.pills:not(.has-thumb) .pill[aria-pressed="true"], .pills:not(.has-thumb) .pill[aria-current="true"] { background: var(--brand); }
.sticky-bar { position: sticky; top: 80px; z-index: 20; padding-block: .75rem; }

/* ---------- Featured project ---------- */
.feature { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; overflow: hidden; padding: 0; }
.feature-text { padding: clamp(1.5rem, 4vw, 3rem); min-width: 0; }
.feature-media { background: #0e2036; min-height: 320px; position: relative; overflow: hidden; }
.feature-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.feature:hover .feature-media img { transform: scale(1.05) rotate(.5deg); }
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5px; background: var(--border); border: 1.5px solid var(--border); border-radius: 16px; overflow: hidden; margin: 1.5rem 0; }
.stat-strip > div { background: var(--surface-2); padding: 1rem; min-width: 0; }
.stat-strip dt { overflow-wrap: anywhere; font: 500 .8125rem/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.stat-strip dd { margin: .3rem 0 0; font: 800 2rem/1 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; }

/* ---------- Terminal frame for TUI gifs ---------- */
.term { background: #11161d; }
.term-bar { display: flex; gap: 6px; padding: 10px 12px; background: #1b222c; }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.term-bar i:nth-child(2) { background: #febc2e; }
.term-bar i:nth-child(3) { background: #28c840; }
.term-bar span { margin-left: auto; font: 500 .8125rem/1 var(--font-mono); color: #9aa6b4; }
.term img { width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #11161d; }

/* ---------- Flip cards ---------- */
.flip { perspective: 1200px; min-height: 340px; }
.flip-inner { position: relative; height: 100%; min-height: 340px; transform-style: preserve-3d; transition: transform 800ms var(--spring-soft); }
.flip.is-flipped .flip-inner { transform: rotateY(180deg); }
.flip-face {
  position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
}
.flip-back { transform: rotateY(180deg); padding: 1.25rem; gap: .6rem; background: var(--surface-2); }
.flip-front .flip-media { flex: 1; min-height: 0; background: var(--surface-3); overflow: hidden; position: relative; }
.flip-front .flip-media img { width: 100%; height: 100%; object-fit: cover; }
.flip-front .flip-cap { padding: 1rem 1.15rem; display: flex; justify-content: space-between; align-items: center; gap: .75rem; }
.flip-front h3, .flip-back h3 { margin: 0; font-size: 1.2rem; }
.flip-btn { border: 1.5px solid var(--border); background: var(--surface); color: var(--ink); border-radius: var(--pill); min-height: 44px; min-width: 44px; padding: 0 .9rem; cursor: pointer; font: 600 .9rem/1 var(--font-body); display: inline-flex; align-items: center; gap: .35rem; transition: transform var(--dur-out) var(--ease-out); flex: none; }
.flip-btn:hover { transform: rotate(-8deg) scale(1.05); transition: transform var(--dur-in) var(--spring); }
.flip-btn:active { transform: scale(.9); }
.flip-back p { margin: 0; font-size: 1rem; }
.flip-back .flip-actions { margin-top: auto; display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.gen-art { position: absolute; inset: 0; display: grid; place-items: center; font: 800 2.4rem/1 var(--font-display); color: #fff; letter-spacing: -.03em; }
.gen-art--a { background: radial-gradient(circle at 20% 20%, #ffb38f, transparent 45%), linear-gradient(135deg, #364f6a, #7b61d9); }
.gen-art--b { background: radial-gradient(circle at 80% 30%, #ffe08a, transparent 40%), linear-gradient(135deg, #17694a, #364f6a); }
.gen-art--c { background: repeating-linear-gradient(45deg, #364f6a 0 16px, #3d5a77 16px 32px); }

/* ---------- Kudos button + particles ---------- */
.kudos {
  position: relative; display: inline-flex; align-items: center; gap: .6rem; cursor: pointer;
  border: 2px solid var(--border-strong); background: var(--surface); color: var(--ink); border-radius: var(--pill);
  padding: .55rem 1.1rem .55rem .6rem; min-height: 48px; font: 700 1rem/1 var(--font-body);
  transition: transform var(--dur-out) var(--ease-out), border-color var(--dur) ease;
}
.kudos:hover { transform: scale(1.04); border-color: var(--accent); transition: transform var(--dur-in) var(--spring); }
.kudos:active { transform: scale(.9); transition-duration: 80ms; }
.kudos .heart { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: color-mix(in srgb, var(--accent) 22%, var(--surface)); }
.kudos .heart svg { width: 20px; height: 20px; fill: transparent; stroke: var(--accent-ink); stroke-width: 2.2; transition: fill var(--dur) ease; }
.kudos[aria-pressed="true"] .heart svg { fill: var(--accent); stroke: var(--accent-ledge); }
.kudos.is-pop .heart { animation: heartPop 520ms var(--spring); }
@keyframes heartPop { 0% { transform: scale(1); } 25% { transform: scale(.6); } 60% { transform: scale(1.35); } 100% { transform: scale(1); } }
.kudos .kcount { font-variant-numeric: tabular-nums; display: inline-block; }
.kudos .kcount.is-tick { animation: tick 380ms var(--spring); }
@keyframes tick { from { transform: translateY(60%); opacity: 0; } }
.particle { position: fixed; z-index: 90; pointer-events: none; width: 9px; height: 9px; border-radius: 3px; animation: burst 700ms var(--ease-out) forwards; }
@keyframes burst { from { transform: translate(-50%, -50%) scale(1); opacity: 1; } to { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--rot)) scale(.3); opacity: 0; } }

/* ---------- Toasts ---------- */
.toasts { position: fixed; z-index: 95; left: 50%; bottom: 20px; transform: translateX(-50%); display: flex; flex-direction: column-reverse; gap: .5rem; align-items: center; pointer-events: none; width: max-content; max-width: calc(100vw - 32px); }
.toast {
  pointer-events: auto; display: flex; align-items: center; gap: .6rem; padding: .75rem 1.1rem; border-radius: 14px;
  background: var(--ink); color: var(--ground); font-weight: 600; font-size: 1rem; box-shadow: var(--shadow-3);
  animation: toastIn 460ms var(--spring) both;
}
.toast.is-out { animation: toastOut 380ms var(--ease-out) forwards; }
.toast .t-ico { width: 24px; height: 24px; border-radius: 50%; background: var(--mint); color: #0c2a1e; display: grid; place-items: center; flex: none; }
.toast .t-ico svg { width: 15px; height: 15px; }
.toast--warn .t-ico { background: var(--sun); color: #3b2c05; }
@keyframes toastIn { from { opacity: 0; transform: translateY(24px) scale(.85); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(12px) scale(.95); } }

/* ---------- Forms (newsletter) with four states ---------- */
.nl { display: grid; gap: .75rem; }
.nl-row { display: flex; gap: .6rem; flex-wrap: wrap; }
.field {
  flex: 1 1 14rem; min-height: 50px; padding: 0 1rem; font: inherit; font-size: 1.0625rem;
  border: 2px solid var(--border-strong); border-radius: 14px; background: var(--surface); color: var(--ink);
  transition: border-color var(--dur) ease, box-shadow var(--dur) ease, transform var(--dur-out) var(--ease-out);
}
.field::placeholder { color: var(--muted); }
.field:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 24%, transparent); }
.nl[data-state="error"] .field { border-color: #c2412b; animation: shake 420ms var(--ease-out); }
@keyframes shake { 20% { transform: translateX(-8px); } 40% { transform: translateX(7px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(2px); } }
.nl-msg { min-height: 1.6em; margin: 0; font-weight: 600; font-size: 1rem; display: flex; align-items: center; gap: .45rem; }
.nl[data-state="error"] .nl-msg { color: #b03a22; }
:root[data-theme="dark"] .nl[data-state="error"] .nl-msg { color: #ff9a85; }
.nl[data-state="success"] .nl-msg { color: var(--mint-ink); }
.nl-check { display: flex; gap: .6rem; align-items: flex-start; font-size: .95rem; color: var(--text); }
.nl-check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--brand); flex: none; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid currentColor; border-right-color: transparent; animation: spin 700ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn .btn-label, .btn .btn-state { transition: transform var(--dur-in) var(--spring), opacity var(--dur) ease; }
.btn .btn-state { position: absolute; inset: 0; display: grid; place-items: center; opacity: 0; transform: translateY(100%); }
.btn[data-phase] .btn-label { opacity: 0; transform: translateY(-100%); }
.btn[data-phase] .btn-state { opacity: 1; transform: none; }
.nl-done { display: none; align-items: center; gap: .9rem; padding: 1rem; border-radius: 16px; background: color-mix(in srgb, var(--mint) 18%, var(--surface)); border: 1.5px solid color-mix(in srgb, var(--mint) 55%, var(--border)); animation: toastIn 520ms var(--spring) both; }
.nl[data-state="success"] .nl-done { display: flex; }
.nl[data-state="success"] .nl-row, .nl[data-state="success"] .nl-check { display: none; }
.nl-done .t-ico { width: 40px; height: 40px; border-radius: 50%; background: var(--mint); color: #0c2a1e; display: grid; place-items: center; flex: none; }
.nl-done strong { display: block; color: var(--ink); font-size: 1.1rem; }
.nl-done p { margin: 0; }
.check-draw path { stroke-dasharray: 30; stroke-dashoffset: 30; animation: draw 500ms var(--ease-out) 200ms forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--surface); border-top: 1.5px solid var(--border); padding-block: 3.5rem 2rem; margin-top: 2rem; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr 1.5fr; gap: 2.5rem; }
.site-footer h2 { font-size: 1.05rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .06em; font-weight: 500; color: var(--muted); margin-bottom: 1rem; }
.foot-links { list-style: none; margin: 0; padding: 0; display: grid; gap: .15rem; }
.foot-links a { display: inline-flex; align-items: center; gap: .5rem; padding: .35rem 0; text-decoration: none; color: var(--ink); font-weight: 600; transition: transform var(--dur-out) var(--ease-out), color var(--dur) ease; }
.foot-links a:hover { transform: translateX(5px); color: var(--accent-ink); transition: transform var(--dur-in) var(--spring); }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1.5px dashed var(--border); color: var(--muted); font-size: .95rem; }
.poke-meter { display: inline-flex; align-items: center; gap: .5rem; font-family: var(--font-mono); font-size: .875rem; }
.poke-meter b { color: var(--ink); font-variant-numeric: tabular-nums; display: inline-block; }
.poke-meter b.is-tick { animation: tick 380ms var(--spring); }

/* Motion switch */
.switch { display: inline-flex; align-items: center; gap: .6rem; cursor: pointer; border: 0; background: none; color: var(--ink); font: 600 .95rem/1 var(--font-body); padding: .4rem 0; min-height: 44px; }
.switch-track { width: 48px; height: 28px; border-radius: 999px; background: var(--surface-3); border: 1.5px solid var(--border-strong); position: relative; transition: background-color var(--dur) ease; flex: none; }
.switch-thumb { position: absolute; top: 2px; left: 2px; width: 21px; height: 21px; border-radius: 50%; background: var(--surface); box-shadow: 0 1px 3px rgb(0 0 0 / .3); transition: transform var(--dur-in) var(--spring), width var(--dur) ease; }
.switch:active .switch-thumb { width: 27px; }
.switch[aria-checked="true"] .switch-track { background: var(--mint); }
.switch[aria-checked="true"] .switch-thumb { transform: translateX(20px); }
.switch[aria-checked="true"]:active .switch-thumb { transform: translateX(14px); }

/* ---------- Article ---------- */
.progress { position: fixed; top: 0; left: 0; right: 0; height: 5px; z-index: 60; background: transparent; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--accent), var(--sun)); transform-origin: 0 50%; transform: scaleX(var(--p, 0)); border-radius: 0 4px 4px 0; }
.progress-chip { position: fixed; right: 16px; bottom: 16px; z-index: 55; font: 600 .875rem/1 var(--font-mono); background: var(--ink); color: var(--ground); border-radius: var(--pill); padding: .6rem .85rem; box-shadow: var(--shadow-2); transform: translateY(80px); opacity: 0; visibility: hidden; transition: transform var(--dur-out) var(--ease-out), opacity var(--dur) ease, visibility 0s linear var(--dur-out); border: 0; cursor: pointer; min-height: 44px; }
.progress-chip.is-on { transform: none; opacity: 1; visibility: visible; transition: transform var(--dur-in) var(--spring), opacity var(--dur) ease; }
.progress-chip:hover { transform: translateY(-3px); }

.art-hero { position: relative; min-height: min(72vh, 620px); display: flex; align-items: flex-end; color: #fff; overflow: hidden; background: #1b2531; }
.art-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); animation: heroSettle 1.4s var(--ease-out) forwards; }
@keyframes heroSettle { to { transform: scale(1); } }
.art-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgb(12 17 24 / .88) 0%, rgb(12 17 24 / .7) 55%, rgb(12 17 24 / .45) 100%), linear-gradient(180deg, rgb(12 17 24 / .1) 0%, rgb(12 17 24 / .85) 100%); }
.art-hero img { filter: blur(2px) saturate(.9); }
.art-hero .wrap { position: relative; z-index: 1; padding-block: 3rem; }
.art-hero h1 { color: #fff; max-width: 18ch; font-size: clamp(2.3rem, 5.4vw, 4.2rem); }
.art-hero .lede { color: #e8edf2; }
.crumb { display: inline-flex; align-items: center; gap: .5rem; padding: .45rem .85rem; border-radius: var(--pill); background: rgb(255 255 255 / .14); border: 1.5px solid rgb(255 255 255 / .3); color: #fff; text-decoration: none; font-weight: 600; margin-bottom: 1.25rem; transition: background-color var(--dur) ease, transform var(--dur-out) var(--ease-out); }
.crumb:hover { background: rgb(255 255 255 / .26); transform: translateX(-4px); transition: transform var(--dur-in) var(--spring); }
.art-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; font: 500 .9rem/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: #dfe6ee; margin-top: 1rem; }
.art-hero .chip { background: rgb(255 255 255 / .12); border-color: rgb(255 255 255 / .35); color: #fff; }

.art-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr) 200px; gap: clamp(1.5rem, 3vw, 3rem); padding-block: 3rem; align-items: start; }
.toc { position: sticky; top: 100px; }
.toc h2 { font: 500 .8125rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 1rem; }
.toc ol { list-style: none; margin: 0; padding: 0 0 0 1rem; position: relative; border-left: 2px solid var(--border); }
.toc li a { display: block; padding: .45rem .5rem; color: var(--muted); text-decoration: none; font-weight: 600; font-size: 1rem; line-height: 1.35; border-radius: 8px; transition: color var(--dur) ease, transform var(--dur-out) var(--ease-out); }
.toc li a:hover { color: var(--ink); transform: translateX(3px); transition: transform var(--dur-in) var(--spring); }
.toc li a[aria-current="true"] { color: var(--ink); }
.toc-ind { position: absolute; left: -2px; top: 0; width: 4px; border-radius: 4px; background: var(--accent); height: var(--h, 0); transform: translateY(var(--y, 0)); transition: transform var(--dur-in) var(--spring), height var(--dur-in) var(--spring); }
.toc-mobile { display: none; margin-bottom: 2rem; border: 1.5px solid var(--border); border-radius: 16px; background: var(--surface); }
.toc-mobile summary { cursor: pointer; padding: 1rem 1.15rem; font: 500 .9rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink); list-style: none; display: flex; justify-content: space-between; align-items: center; min-height: 48px; }
.toc-mobile summary::-webkit-details-marker { display: none; }
.toc-mobile summary .chev { transition: transform var(--dur-in) var(--spring); }
.toc-mobile[open] summary .chev { transform: rotate(180deg); }
.toc-mobile ol { margin: 0; padding: 0 1.15rem 1rem 2.4rem; }
.toc-mobile a { color: var(--ink); display: block; padding: .35rem 0; font-weight: 600; }

.prose { font-size: 1.125rem; line-height: 1.72; color: var(--text); max-width: 70ch; min-width: 0; }
.prose > * { margin-block: 0 1.25em; }
.prose h2 { font-size: clamp(1.7rem, 2.6vw, 2.1rem); margin-top: 2.2em; scroll-margin-top: 100px; }
.prose h2 .anchor { opacity: 0; margin-left: .35rem; color: var(--accent-ink); text-decoration: none; transition: opacity var(--dur) ease; }
.prose h2:hover .anchor, .prose h2 .anchor:focus-visible { opacity: 1; }
.prose ol, .prose ul { padding-left: 1.4em; }
.prose li { margin-bottom: .4em; }
.prose li::marker { color: var(--accent-ink); font-weight: 700; }
.prose :not(pre) > code { font-size: .9em; background: var(--surface-3); color: var(--ink); padding: .12em .4em; border-radius: 6px; }
.prose strong { color: var(--ink); }
.callout {
  position: relative; margin: 1.75em 0; padding: 1.1rem 1.25rem 1.1rem 4rem; border-radius: 16px;
  border: 1.5px solid var(--border); background: var(--surface); font-size: 1.0625rem;
}
.callout p { margin: 0; }
.callout .c-ico { position: absolute; left: 1rem; top: 1rem; width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-size: 1.1rem; background: var(--surface-2); transition: transform var(--dur-out) var(--ease-out); }
.callout:hover .c-ico { transform: rotate(-12deg) scale(1.12); transition: transform var(--dur-in) var(--spring); }
.callout--why { border-color: color-mix(in srgb, var(--brand) 45%, var(--border)); background: color-mix(in srgb, var(--brand) 7%, var(--surface)); }
.callout--why .c-ico { background: var(--brand); color: var(--on-brand); font-family: var(--font-display); font-weight: 800; }
.callout--q { border-style: dashed; border-color: color-mix(in srgb, var(--grape) 60%, var(--border)); background: color-mix(in srgb, var(--grape) 7%, var(--surface)); }
.callout--q .c-ico { background: var(--grape); color: #fff; }
.callout--q:hover .c-ico { animation: wiggle 500ms var(--ease-out); }
.callout--note { border-color: color-mix(in srgb, var(--sun) 70%, var(--border)); background: color-mix(in srgb, var(--sun) 14%, var(--surface)); }
.callout--note .c-ico { background: var(--sun); color: #3b2c05; }
.callout--skill { border-color: color-mix(in srgb, var(--mint) 60%, var(--border)); background: color-mix(in srgb, var(--mint) 11%, var(--surface)); }
.callout--skill .c-ico { background: var(--mint); color: #0c2a1e; }

.code { margin: 1.75em 0; border-radius: 16px; overflow: hidden; background: var(--code-bg); box-shadow: var(--shadow-2); }
.code-head { display: flex; align-items: center; justify-content: space-between; padding: .35rem .5rem .35rem 1rem; background: color-mix(in srgb, var(--code-bg) 80%, #3a4757); }
.code-lang { font: 600 .8125rem/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: #aebacb; }
.copy-btn {
  display: inline-flex; align-items: center; gap: .4rem; min-height: 40px; padding: 0 .85rem; border-radius: 10px;
  border: 1.5px solid rgb(255 255 255 / .18); background: rgb(255 255 255 / .06); color: #e6ecf3; cursor: pointer; font: 600 .875rem/1 var(--font-body);
  transition: transform var(--dur-out) var(--ease-out), background-color var(--dur) ease, border-color var(--dur) ease;
}
.copy-btn:hover { background: rgb(255 255 255 / .14); transform: translateY(-2px); transition: transform var(--dur-in) var(--spring); }
.copy-btn:active { transform: scale(.9); transition-duration: var(--dur-fast); }
.copy-btn .ico-copy, .copy-btn .ico-done { width: 16px; height: 16px; transition: transform var(--dur-in) var(--spring), opacity var(--dur) ease; }
.copy-btn .ico-done { position: absolute; opacity: 0; transform: scale(.3) rotate(-40deg); }
.copy-btn .ico-wrap { position: relative; display: grid; place-items: center; width: 16px; height: 16px; }
.copy-btn.is-done { background: var(--mint); color: #0c2a1e; border-color: var(--mint); }
.copy-btn.is-done .ico-copy { opacity: 0; transform: scale(.3); }
.copy-btn.is-done .ico-done { opacity: 1; transform: none; }
.code pre { margin: 0; padding: 1.1rem 1.25rem 1.3rem; overflow-x: auto; font-size: .95rem; line-height: 1.6; color: var(--code-text); tab-size: 2; }
.code pre code { font-size: inherit; background: none; padding: 0; color: inherit; }
.token.comment { color: #8e9aac; font-style: italic; }
.token.keyword, .token.boolean { color: #ff9e7a; }
.token.string, .token.template-string { color: #9fe2b8; }
.token.function { color: #ffd66b; }
.token.class-name, .token.builtin { color: #9cc7ff; }
.token.tag { color: #ff9e7a; }
.token.attr-name { color: #ffd66b; }
.token.punctuation, .token.operator { color: #c5cfdb; }
.token.number { color: #d4b8ff; }

.art-aside { position: sticky; top: 100px; display: grid; gap: 1rem; justify-items: start; }
.art-aside .label { font: 500 .8125rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.share-stack { display: grid; gap: .5rem; width: 100%; }
.share-btn {
  display: flex; align-items: center; gap: .6rem; min-height: 44px; padding: 0 .9rem; border-radius: 12px; border: 1.5px solid var(--border); background: var(--surface); color: var(--ink);
  text-decoration: none; font: 600 .95rem/1 var(--font-body); cursor: pointer; width: 100%;
  transition: transform var(--dur-out) var(--ease-out), border-color var(--dur) ease;
}
.share-btn:hover { transform: translateX(4px); border-color: var(--accent); transition: transform var(--dur-in) var(--spring); }
.share-btn:active { transform: scale(.95); }
.share-btn svg { width: 18px; height: 18px; flex: none; }

.end-zone { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 2rem; }

/* ---------- About ---------- */
.about-hero { position: relative; border-radius: var(--radius-l); overflow: hidden; min-height: 460px; display: flex; align-items: flex-end; color: #fff; background: #1b2531; margin-top: 2rem; }
.about-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 25%; transition: transform 1.4s var(--ease-out); }
.about-hero:hover img { transform: scale(1.04); }
.about-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 20%, rgb(12 17 24 / .88)); }
.about-hero > div { position: relative; z-index: 1; padding: clamp(1.5rem, 4vw, 3rem); max-width: 760px; }
.about-hero h1 { color: #fff; }
.about-hero p { color: #e8edf2; font-size: 1.25rem; }
.wave { display: inline-block; transform-origin: 70% 70%; animation: wave 2.4s ease-in-out 600ms 2; }
@keyframes wave { 0%, 60%, 100% { transform: rotate(0); } 10%, 30% { transform: rotate(14deg); } 20% { transform: rotate(-8deg); } 40% { transform: rotate(-4deg); } 50% { transform: rotate(10deg); } }
.stat-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.stat-tile { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 1.25rem 1.4rem; position: relative; overflow: hidden; transition: transform var(--dur-out) var(--ease-out); }
.stat-tile::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px; background: var(--c, var(--accent)); transform: scaleX(.25); transform-origin: left; transition: transform var(--dur-out) var(--ease-out); }
.stat-tile:hover { transform: translateY(-4px); transition: transform var(--dur-in) var(--spring); }
.stat-tile:hover::before { transform: scaleX(1); transition: transform var(--dur-in) var(--spring-soft); }
.stat-tile b { display: block; font: 800 clamp(2.2rem, 4vw, 3rem)/1 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; }
.stat-tile span { font: 500 .875rem/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

.career-bar { display: flex; gap: 4px; margin: 1.5rem 0 2rem; flex-wrap: wrap; }
.career-bar button {
  flex: var(--w, 1) 1 0; min-width: 7.5rem; border: 0; cursor: pointer; text-align: left; padding: .75rem .85rem; border-radius: 12px;
  background: color-mix(in srgb, var(--c) 24%, var(--surface)); color: var(--ink); font: 700 .95rem/1.25 var(--font-body);
  border-bottom: 4px solid var(--c); transition: transform var(--dur-out) var(--ease-out), background-color var(--dur) ease;
}
.career-bar button small { display: block; font: 500 .8125rem/1.3 var(--font-mono); color: var(--muted); margin-top: .2rem; }
.career-bar button:hover, .career-bar button[aria-pressed="true"] { transform: translateY(-4px); background: color-mix(in srgb, var(--c) 40%, var(--surface)); transition: transform var(--dur-in) var(--spring); }
.collapse { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 600ms var(--spring-soft); }
.collapse > div { overflow: hidden; }
.collapse.is-open { grid-template-rows: 1fr; }
.toggle-btn .chev { transition: transform var(--dur-in) var(--spring); }
.toggle-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem; }
.phase { display: grid; grid-template-columns: 180px 1fr; gap: 1.5rem; padding: 1.4rem; border-radius: var(--radius); background: var(--surface); border: 1.5px solid var(--border); transition: border-color var(--dur) ease, transform var(--dur-out) var(--ease-out); }
.phase.is-hl { border-color: var(--accent); transform: translateX(6px); transition: transform var(--dur-in) var(--spring); }
.phase h3 { margin: 0 0 .25rem; }
.phase .when { font: 600 .9rem/1.3 var(--font-mono); color: var(--accent-ink); }
.roles { list-style: none; padding: 0; margin: .75rem 0 0; display: grid; gap: .5rem; }
.roles li { padding-left: 1.2rem; position: relative; }
.roles li::before { content: ""; position: absolute; left: 0; top: .6em; width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--accent)); }

.proverb-card { position: relative; min-height: 240px; display: grid; align-content: center; perspective: 900px; }
.proverb { font: 700 clamp(1.5rem, 3vw, 2.2rem)/1.25 var(--font-display); color: #f3f5f8; margin: 0; font-style: italic; letter-spacing: -.02em; }
.proverb.is-swap { animation: proverbIn 620ms var(--spring) both; }
@keyframes proverbIn { from { opacity: 0; transform: rotateX(-70deg) translateY(20px); } }
.proverb-meta { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
.proverb-dots { display: flex; gap: .4rem; }
.proverb-dots i { width: 10px; height: 10px; border-radius: 50%; background: rgb(243 245 248 / .3); transition: transform var(--dur-in) var(--spring), background-color var(--dur) ease; }
.proverb-dots i.on { background: var(--sun); transform: scale(1.4); }
.panel--ink .btn { --btn-bg: var(--sun); --btn-fg: #1b2531; --btn-ledge: #b8891a; --btn-border: #b8891a; }

.beyond { display: grid; grid-template-columns: .9fr 1.1fr; gap: 2.5rem; align-items: center; }
.beyond-photo { border-radius: var(--radius-l); overflow: hidden; aspect-ratio: 4 / 5; box-shadow: var(--shadow-2); transform: rotate(-2deg); transition: transform var(--dur-out) var(--ease-out); }
.beyond-photo:hover { transform: rotate(0) scale(1.02); transition: transform var(--dur-in) var(--spring); }
.beyond-photo img { width: 100%; height: 100%; object-fit: cover; }
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.cap-grid .panel h3 { display: flex; align-items: center; gap: .6rem; }
.skill-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; }
.skill-chips span { font: 500 .9rem/1.2 var(--font-mono); padding: .5rem .7rem; border-radius: 10px; background: var(--surface-2); border: 1.5px solid var(--border); color: var(--ink); transition: transform var(--dur-out) var(--ease-out), background-color var(--dur) ease; cursor: default; }
.skill-chips span:hover { transform: translateY(-3px) rotate(-2deg); background: color-mix(in srgb, var(--c, var(--accent)) 22%, var(--surface)); transition: transform var(--dur-in) var(--spring); }

/* ---------- Stories ---------- */
.story .card-media { aspect-ratio: 4 / 3; }
.part-num { position: absolute; top: 12px; left: 12px; z-index: 2; font: 800 .95rem/1 var(--font-display); background: var(--sun); color: #1b2531; padding: .45rem .65rem; border-radius: 10px; border: 2px solid #1b2531; transform: rotate(-4deg); transition: transform var(--dur-out) var(--ease-out); }
.card:hover .part-num { transform: rotate(4deg) scale(1.1); transition: transform var(--dur-in) var(--spring); }
.locked .card-in { background: repeating-linear-gradient(-45deg, var(--surface), var(--surface) 12px, var(--surface-2) 12px, var(--surface-2) 24px); border-style: dashed; }
.locked { cursor: not-allowed; }
.locked.is-shake .card-in { animation: shake 420ms var(--ease-out); }
.locked .lock { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-3); color: var(--muted); margin: 1.5rem 1.25rem 0; }
.notice { display: flex; gap: .9rem; padding: 1rem 1.2rem; border-radius: 16px; background: color-mix(in srgb, var(--sun) 18%, var(--surface)); border: 1.5px solid color-mix(in srgb, var(--sun) 70%, var(--border)); }
.notice p { margin: 0; }
.consult { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; padding: 1.25rem 1.5rem; }
.consult p { margin: 0; font-size: 1.15rem; color: var(--ink); font-weight: 600; }

/* ---------- Patterns ---------- */
.three-ways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.way { padding: 1.4rem; border-radius: var(--radius); background: var(--surface); border: 1.5px solid var(--border); transition: transform var(--dur-out) var(--ease-out); }
.way:hover { transform: translateY(-5px) rotate(-.8deg); transition: transform var(--dur-in) var(--spring); }
.way-ico { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; background: var(--c); color: #1b2531; margin-bottom: .9rem; transition: transform var(--dur-out) var(--ease-out); }
.way:hover .way-ico { transform: scale(1.12) rotate(-10deg); transition: transform var(--dur-in) var(--spring); }
.way-ico svg { width: 24px; height: 24px; }
.way h3 { margin-bottom: .35rem; }
.way p { margin: 0; font-size: 1rem; }

.pat-tools { display: grid; gap: 1rem; margin-bottom: 1.5rem; }
.pat-search { position: relative; }
.pat-search input { width: 100%; min-height: 56px; padding: 0 3rem 0 3.1rem; border-radius: 16px; border: 2px solid var(--border-strong); background: var(--surface); color: var(--ink); font: inherit; font-size: 1.0625rem; transition: border-color var(--dur) ease, box-shadow var(--dur) ease; }
.pat-search input::placeholder { color: var(--muted); }
.pat-search input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 5px color-mix(in srgb, var(--brand) 22%, transparent); }
.pat-search > svg { position: absolute; left: 1.1rem; top: 50%; width: 20px; height: 20px; transform: translateY(-50%); color: var(--muted); transition: transform var(--dur-in) var(--spring); }
.pat-search:focus-within > svg { transform: translateY(-50%) rotate(-14deg) scale(1.15); color: var(--brand); }
.pat-bar { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; }
.pat-count { font-weight: 700; color: var(--ink); display: flex; align-items: center; gap: .75rem; min-height: 44px; }
.pat-count b { font-variant-numeric: tabular-nums; display: inline-block; }
.pat-count b.is-tick { animation: tick 380ms var(--spring); }
.clear-btn { border: 0; background: none; color: var(--accent-ink); font: 700 1rem/1 var(--font-body); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; min-height: 44px; padding: 0 .4rem; }
.select { min-height: 44px; border-radius: 12px; border: 1.5px solid var(--border-strong); background: var(--surface); color: var(--ink); font: 600 1rem/1 var(--font-body); padding: 0 .75rem; }
.sort { display: flex; align-items: center; gap: .5rem; font-weight: 600; }
.pat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: 1.25rem; }
.pat-card[hidden] { display: none; }
.pat-thumb { aspect-ratio: 16 / 10; background: var(--surface-2); position: relative; overflow: hidden; border-bottom: 1.5px solid var(--border); display: grid; place-items: center; }
.pat-thumb .mini { width: 72%; transition: transform 600ms var(--spring); }
.card:hover .pat-thumb .mini { transform: scale(1.08) rotate(-1.5deg); }
.pat-card .card-body h3 { font-size: 1.2rem; }
.good-for { font-size: .95rem; color: var(--muted); }
.good-for b { color: var(--ink); }
.mini-bars { display: flex; align-items: flex-end; gap: 6px; height: 90px; }
.mini-bars i { flex: 1; border-radius: 6px 6px 2px 2px; background: var(--brand); height: var(--h); transform-origin: bottom; transition: transform 500ms var(--spring); }
.card:hover .mini-bars i { transform: scaleY(1.15); }
.card:hover .mini-bars i:nth-child(odd) { transform: scaleY(.8); }
.mini-bars i:nth-child(3n) { background: var(--accent); }
.mini-layout { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
.mini-layout i { height: 34px; background: var(--surface); border: 1.5px solid var(--border-strong); border-radius: 8px; }
.mini-layout i:first-child { grid-column: span 2; grid-row: span 2; height: auto; background: color-mix(in srgb, var(--brand) 30%, var(--surface)); }
.mini-inter { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.mini-inter i { width: 100%; height: 32px; border-radius: 10px; background: var(--surface); border: 1.5px solid var(--border-strong); box-shadow: 0 4px 0 var(--border-strong); }
.mini-inter i:nth-child(2) { background: var(--accent); border-color: var(--accent-ledge); box-shadow: 0 4px 0 var(--accent-ledge); width: 70%; }
.mini-forms { display: grid; gap: 8px; }
.mini-forms i { height: 22px; border-radius: 8px; background: var(--surface); border: 1.5px solid var(--border-strong); }
.mini-forms i:last-child { width: 45%; background: var(--brand); border-color: var(--brand); justify-self: end; }
.mini-color { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.mini-color i { aspect-ratio: 1; border-radius: 10px; }
.empty { text-align: center; padding: 3rem 1rem; border: 2px dashed var(--border-strong); border-radius: var(--radius-l); }
.empty svg { width: 72px; height: 72px; color: var(--muted); margin: 0 auto 1rem; animation: bob 2.4s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-6px) rotate(-4deg); } }
.empty h2 { font-size: 1.5rem; }

/* Pattern detail */
.back { display: inline-flex; align-items: center; gap: .4rem; text-decoration: none; font-weight: 700; color: var(--ink); padding: .5rem 0; }
.back .arr { transition: transform var(--dur-out) var(--ease-out); display: inline-block; }
.back:hover .arr { transform: translateX(-6px); transition: transform var(--dur-in) var(--spring); }
.use-list { columns: 2; column-gap: 2rem; padding-left: 1.2rem; margin: .5rem 0 1.25rem; }
.use-list li { margin-bottom: .4rem; break-inside: avoid; }
.panes { border: 1.5px solid var(--border-strong); border-radius: var(--radius-l); overflow: hidden; background: var(--surface); margin-top: 2rem; }
.panes-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .75rem; padding: .6rem; border-bottom: 1.5px solid var(--border); background: var(--surface-2); }
.tabs { position: relative; display: flex; gap: .25rem; flex-wrap: wrap; }
.tab { position: relative; z-index: 1; border: 0; background: none; cursor: pointer; font: 600 1rem/1 var(--font-body); color: var(--text); padding: .7rem 1rem; min-height: 44px; border-radius: 12px; transition: color var(--dur) ease; }
.tab[aria-selected="true"] { color: var(--ink); }
.tab-thumb { position: absolute; z-index: 0; top: 0; left: 0; border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-1), inset 0 -3px 0 var(--accent); transform: translateX(var(--tx, 0)) translateY(var(--ty, 0)); width: var(--tw, 0); height: var(--th, 0); transition: transform var(--dur-in) var(--spring), width var(--dur-in) var(--spring); }
.tabs:not(.has-thumb) .tab[aria-selected="true"] { background: var(--surface); box-shadow: inset 0 -3px 0 var(--accent); }
.pane-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.pane-actions .copy-btn { color: var(--ink); background: var(--surface); border-color: var(--border-strong); }
.pane-actions .copy-btn.is-done { background: var(--mint); color: #0c2a1e; border-color: var(--mint); }
.pane { padding: clamp(1rem, 3vw, 2rem); animation: paneIn 420ms var(--spring-soft); }
.pane[hidden] { display: none; }
@keyframes paneIn { from { opacity: 0; transform: translateY(10px); } }
.pane pre { margin: 0; background: var(--code-bg); color: var(--code-text); padding: 1.2rem; border-radius: 14px; overflow-x: auto; font-size: .95rem; line-height: 1.6; }
.pane .note { background: var(--surface-2); border-radius: 12px; padding: .9rem 1rem; margin-bottom: 1rem; font-size: 1rem; }
.prompt-text { max-width: 70ch; font-size: 1.0625rem; }
.stage { background: var(--ground); border-radius: 16px; padding: clamp(1rem, 3vw, 1.75rem); border: 1.5px solid var(--border); }
.stage-cap { font-size: 1rem; color: var(--muted); margin: 0 0 .75rem; }
.hss-strip { display: grid; gap: 1.5px; background: var(--border-strong); border: 1.5px solid var(--border-strong); border-radius: 12px; overflow: hidden; grid-template-columns: 1fr; margin-bottom: 1.75rem; }
@media (min-width: 21rem) { .hss-strip { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 52rem) { .hss-strip--4 { grid-template-columns: repeat(4, 1fr); } .hss-strip--5 { grid-template-columns: repeat(5, 1fr); } }
.hss-tile { background: var(--surface); padding: 1rem 1.1rem; min-width: 0; text-align: left; border: 0; font: inherit; color: inherit; }
.hss-label { display: block; font: 500 .8125rem/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.hss-fig { display: block; font: 800 1.6rem/1.15 var(--font-display); color: var(--ink); font-variant-numeric: tabular-nums; margin-top: .25rem; }
.hss-sub { display: block; font-size: .9rem; color: var(--muted); overflow-wrap: anywhere; }
.hss-fig.is-missing { color: var(--muted); }
button.hss-tile { cursor: pointer; transition: background-color var(--dur) ease, transform var(--dur-out) var(--ease-out); }
button.hss-tile:hover { background: var(--surface-2); }
button.hss-tile:active { transform: scale(.97); transition-duration: var(--dur-fast); }
button.hss-tile[aria-pressed="true"] { background: color-mix(in srgb, var(--brand) 16%, var(--surface)); box-shadow: inset 0 -4px 0 var(--brand); }
button.hss-tile:focus-visible { outline-offset: -4px; }
.dl-list { list-style: none; margin: 0; padding: 0; border: 1.5px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); }
.dl-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .8rem 1rem; border-top: 1.5px solid var(--border); animation: dropIn 380ms var(--spring) both; animation-delay: calc(var(--i, 0) * 35ms); }
.dl-list li:first-child { border-top: 0; }
.dl-list li[hidden] { display: none; }
.st { font: 600 .8125rem/1 var(--font-mono); text-transform: uppercase; padding: .35rem .5rem; border-radius: 6px; white-space: nowrap; align-self: center; }
.st--done { background: color-mix(in srgb, var(--mint) 30%, var(--surface)); color: var(--mint-ink); }
.st--downloading { background: color-mix(in srgb, var(--brand) 20%, var(--surface)); color: var(--ink); }
.st--queued { background: var(--surface-3); color: var(--muted); }
.st--failed { background: color-mix(in srgb, #e0553c 22%, var(--surface)); color: #9c2f1c; }
:root[data-theme="dark"] .st--failed { color: #ff9a85; }
.dl-status { margin: .9rem 0 0; font-weight: 600; color: var(--ink); }

/* ---------- Writing filters ---------- */
.w-tools { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.w-search { position: relative; flex: 1 1 260px; max-width: 420px; }
.w-search input { width: 100%; min-height: 48px; border-radius: 14px; border: 2px solid var(--border-strong); background: var(--surface); color: var(--ink); font: inherit; padding: 0 1rem 0 2.8rem; }
.w-search input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 22%, transparent); }
.w-search svg { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--muted); }
.row[hidden] { display: none; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: .5rem; }
.series-card { display: grid; grid-template-columns: 200px 1fr; gap: 1.5rem; align-items: center; overflow: hidden; padding: 0; }
.series-card img { width: 100%; height: 100%; object-fit: cover; min-height: 200px; }
.series-card > div { padding: 1.5rem 1.5rem 1.5rem 0; }
.series-dots { display: flex; gap: .4rem; margin: .75rem 0 1rem; }
.series-dots i { width: 28px; height: 8px; border-radius: 4px; background: var(--accent); }
.series-dots i.off { background: var(--surface-3); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .art-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { display: none; }
  .toc-mobile { display: block; }
  .art-aside { position: static; grid-auto-flow: row; }
  .share-stack { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  .nav, .header-tools .search { display: none; }
  .burger { display: inline-grid; }
  .header-tools { margin-left: auto; }
  .hero-grid, .page-head-grid, .feature, .beyond, .start-grid { grid-template-columns: 1fr; }
  .start-grid .card:first-child { grid-row: auto; }
  .portrait-stage { max-width: 380px; margin-inline: auto; }
  .trio, .three-ways { grid-template-columns: 1fr; }
  .cap-grid { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 1fr; gap: .5rem; }
  .end-zone { grid-template-columns: 1fr; }
  .head-art { max-width: 520px; }
}
@media (max-width: 640px) {
  body { font-size: 1.0625rem; }
  .row a { grid-template-columns: 1fr; gap: .25rem; padding: 1rem .5rem; }
  .row-go { display: none; }
  .stat-tiles { grid-template-columns: 1fr 1fr; }
  .stat-tiles .stat-tile:last-child { grid-column: span 2; }
  .stat-strip dd { font-size: 1.6rem; }
  .foot-grid { grid-template-columns: 1fr; }
  .use-list { columns: 1; }
  .series-card { grid-template-columns: 1fr; }
  .series-card > div { padding: 0 1.25rem 1.5rem; }
  .sticker b { font-size: 1.5rem; }
  .sticker--a { left: -2%; }
  .sticker--b { right: -3%; }
  .logo-words small { display: none; }
  .sticky-bar { top: 72px; }
  .pills { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .pill { white-space: nowrap; flex: none; }
  .career-bar button { min-width: calc(50% - 4px); }
  .prose { font-size: 1.0625rem; }
  .callout { padding-left: 1.1rem; padding-top: 3.6rem; }
}

/* ---------- Reduced motion: OS setting or the footer switch ---------- */
@media (prefers-reduced-motion: reduce) {
  :root:not([data-motion="full"]) *, :root:not([data-motion="full"]) *::before, :root:not([data-motion="full"]) *::after {
    animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; transition-delay: 0ms !important; scroll-behavior: auto !important;
  }
}
:root[data-motion="reduced"] *, :root[data-motion="reduced"] *::before, :root[data-motion="reduced"] *::after {
  animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; transition-delay: 0ms !important; scroll-behavior: auto !important;
}

/* gallery article */
.prose figure { margin-inline: 0; }
.prose figure img { display: block; width: 100%; height: auto; border-radius: 16px; border: 1px solid var(--border); }
.prose blockquote.callout { margin-inline: 0; }
.callout p + p { margin-top: .75em; }
.prose .live-pattern .btn { white-space: normal; text-align: left; }