/* =========================================================
   Alexandre Assignon — "Tient la charge."
   Global stylesheet: tokens, reset, type, nav, cursor, utilities
   ========================================================= */

/* ---------- Fonts (self-hosted) ---------- */
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('../../fonts/fraunces-normal-300-900-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 300 900;
  font-display: swap;
  src: url('../../fonts/fraunces-italic-300-900-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Instrument Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../../fonts/instrument-sans-normal-400-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Instrument Sans';
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
  src: url('../../fonts/instrument-sans-italic-400-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../../fonts/space-mono-normal-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../../fonts/space-mono-normal-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('../../fonts/fraunces-normal-300-900-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 300 900;
  font-display: swap;
  src: url('../../fonts/fraunces-italic-300-900-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Instrument Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../../fonts/instrument-sans-normal-400-700-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Instrument Sans';
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
  src: url('../../fonts/instrument-sans-italic-400-700-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../../fonts/space-mono-normal-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../../fonts/space-mono-normal-700-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ---------- Tokens ---------- */
:root {
  --paper: #f2ede3;
  --paper-2: #e8e2d5;
  --ink: #0e0d0b;
  --ink-2: #1a1916;
  --red: #ff3a2e;
  --red-deep: #c4171a;
  --red-bg: #ff3a2e;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Instrument Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-mono: 'Space Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --display-settings: 'opsz' 144, 'SOFT' 40, 'WONK' 1;

  --gutter: clamp(1rem, 4vw, 4.5rem);
  --max: 1680px;
  --nav-h: 4.25rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-snap: cubic-bezier(0.16, 1, 0.3, 1);
  --t-tone: 0.9s;

  --fs-hero: clamp(3.25rem, 11.5vw, 11rem);
  --fs-chapter: clamp(2.5rem, 7.5vw, 7rem);
  --fs-title: clamp(1.75rem, 4.2vw, 3.6rem);
  --fs-lead: clamp(1.125rem, 1.6vw, 1.45rem);
  --fs-body: clamp(1rem, 1.05vw, 1.0625rem);
  --fs-small: 0.875rem;
  --fs-label: 0.7rem;

  color-scheme: light dark;
}

/* Tone = the current global surface. JS swaps body[data-tone]. */
body[data-tone='paper'] {
  --bg: var(--paper);
  --bg-2: var(--paper-2);
  --fg: var(--ink);
  --muted: #5d5850;
  --line: rgba(14, 13, 11, 0.14);
  --line-strong: rgba(14, 13, 11, 0.4);
  --accent: var(--red-deep);
  --accent-vivid: var(--red);
  --surface: rgba(14, 13, 11, 0.045);
  --surface-2: rgba(14, 13, 11, 0.08);
  --dot: var(--ink);
  --shadow: 0 30px 80px -30px rgba(14, 13, 11, 0.35);
  color-scheme: light;
}
body[data-tone='ink'] {
  --bg: var(--ink);
  --bg-2: var(--ink-2);
  --fg: var(--paper);
  --muted: #a39d92;
  --line: rgba(242, 237, 227, 0.14);
  --line-strong: rgba(242, 237, 227, 0.4);
  --accent: var(--red);
  --accent-vivid: var(--red);
  --surface: rgba(242, 237, 227, 0.05);
  --surface-2: rgba(242, 237, 227, 0.09);
  --dot: var(--paper);
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.7);
  color-scheme: dark;
}
body[data-tone='accent'] {
  --bg: var(--red-bg);
  --bg-2: #d8231f;
  --fg: var(--ink);
  --muted: rgba(14, 13, 11, 0.7);
  --line: rgba(14, 13, 11, 0.22);
  --line-strong: rgba(14, 13, 11, 0.5);
  --accent: var(--ink);
  --accent-vivid: var(--paper);
  --surface: rgba(14, 13, 11, 0.08);
  --surface-2: rgba(14, 13, 11, 0.14);
  --dot: var(--ink);
  --shadow: 0 30px 80px -30px rgba(14, 13, 11, 0.5);
  color-scheme: light;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}
body {
  margin: 0;
  min-height: 100svh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.55;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  transition: background-color var(--t-tone) var(--ease-in-out), color var(--t-tone) var(--ease-in-out);
}
img,
picture,
svg,
canvas,
video {
  display: block;
  max-width: 100%;
}
img {
  height: auto;
}
h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}
ul,
ol {
  padding: 0;
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}
::selection {
  background: var(--accent);
  color: var(--bg);
}

/* ---------- Typography ---------- */
.display,
h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 0.95;
  font-variation-settings: var(--display-settings);
  font-optical-sizing: auto;
}
.chapter-title {
  font-family: var(--font-display);
  font-size: var(--fs-chapter);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 0.95;
  font-variation-settings: var(--display-settings);
  text-wrap: balance;
}
.serif {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.015em;
  font-variation-settings: 'opsz' 144, 'SOFT' 100, 'WONK' 1;
}
.mono {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.lead {
  font-size: var(--fs-lead);
  line-height: 1.4;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-wrap: pretty;
  max-width: 34em;
}
.muted {
  color: var(--muted);
}
.accent {
  color: var(--accent);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- Layout ---------- */
.wrap {
  width: min(100% - 2 * var(--gutter), var(--max));
  margin-inline: auto;
}
.chapter {
  position: relative;
  padding-block: clamp(5rem, 12vw, 11rem);
}
.chapter-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}
.chapter-index {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
}
.chapter-index::before {
  content: '';
  width: 2.25rem;
  height: 1px;
  background: var(--accent);
}
@media (min-width: 900px) {
  .chapter-head {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: end;
    gap: 3rem;
  }
  .chapter-head .lead {
    justify-self: end;
    max-width: 30em;
  }
}

/* ---------- Skip link ---------- */
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--fg);
  color: var(--bg);
  border-radius: 999px;
  transform: translateY(-200%);
  transition: transform 0.25s var(--ease-out);
}
.skip-link:focus {
  transform: none;
}

/* ---------- Top bar ---------- */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--gutter);
  pointer-events: none;
}
.topbar::before {
  content: '';
  position: absolute;
  inset: 0 0 -1.5rem 0;
  z-index: -1;
  background: var(--bg);
  opacity: 0.9;
  -webkit-mask-image: linear-gradient(to bottom, #000 45%, transparent);
  mask-image: linear-gradient(to bottom, #000 45%, transparent);
  transition: background-color var(--t-tone) var(--ease-in-out);
}
.topbar > * {
  pointer-events: auto;
}
.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variation-settings: 'opsz' 24, 'SOFT' 60, 'WONK' 1;
}
.wordmark-dot {
  width: 0.55em;
  height: 0.55em;
  border-radius: 50%;
  background: var(--accent);
  transform: translateY(-0.05em);
  transition: transform 0.4s var(--ease-snap), background-color var(--t-tone);
}
.wordmark:hover .wordmark-dot {
  transform: translateY(-0.05em) scale(1.5);
}
.wordmark > span:first-child {
  white-space: nowrap;
}
@media (max-width: 1180px) {
  .wordmark-sub {
    display: none;
  }
}
.wordmark-sub {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.topbar-links {
  display: none;
  gap: 0.25rem;
  margin-right: 0.5rem;
}
.topbar-link {
  position: relative;
  padding: 0.5rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
}
.topbar-link::after {
  content: '';
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.3rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-snap);
}
.topbar-link:hover::after,
.topbar-link[aria-current='true']::after {
  transform: scaleX(1);
  transform-origin: left;
}
@media (min-width: 900px) {
  .topbar-links {
    display: flex;
  }
}
.ctrl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.5rem;
  min-width: 2.5rem;
  padding-inline: 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  transition: border-color 0.3s, background-color 0.3s, transform 0.3s var(--ease-snap);
}
.ctrl:hover {
  border-color: var(--line-strong);
}
.ctrl:active {
  transform: scale(0.96);
}
.ctrl-lang span {
  opacity: 0.45;
  transition: opacity 0.3s;
}
.ctrl-lang span[aria-current='true'] {
  opacity: 1;
}
.ctrl-lang .sep {
  margin-inline: 0.35rem;
  opacity: 0.35;
}
.ctrl-theme svg {
  width: 1rem;
  height: 1rem;
}
.ctrl-theme .icon-moon {
  display: none;
}
html[data-theme='dark'] .ctrl-theme .icon-moon {
  display: block;
}
html[data-theme='dark'] .ctrl-theme .icon-sun {
  display: none;
}
.ctrl-menu {
  gap: 0.6rem;
}
.ctrl-menu .burger {
  position: relative;
  width: 1rem;
  height: 0.6rem;
}
.ctrl-menu .burger::before,
.ctrl-menu .burger::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.4s var(--ease-snap), top 0.4s var(--ease-snap);
}
.ctrl-menu .burger::before {
  top: 0;
}
.ctrl-menu .burger::after {
  top: 100%;
}
html.menu-open .topbar::before {
  opacity: 0;
}
html.menu-open .pill {
  opacity: 0 !important;
  pointer-events: none !important;
}
html.menu-open .ctrl-menu .burger::before {
  top: 50%;
  transform: rotate(45deg);
}
html.menu-open .ctrl-menu .burger::after {
  top: 50%;
  transform: rotate(-45deg);
}
html.menu-open .ctrl-menu .label-open,
.ctrl-menu .label-close {
  display: none;
}
html.menu-open .ctrl-menu .label-close {
  display: inline;
}

@media (max-width: 640px) {
  .wordmark-sub {
    display: none;
  }
  .wordmark {
    font-size: 1rem;
  }
  .ctrl {
    height: 2.25rem;
    min-width: 2.25rem;
    padding-inline: 0.6rem;
    font-size: 0.66rem;
  }
  .ctrl-menu .label-open,
  .ctrl-menu .label-close {
    display: none;
  }
  .topbar-right {
    gap: 0.35rem;
  }
}

/* ---------- Chapter pill (bottom) ---------- */
.pill {
  position: fixed;
  left: 50%;
  bottom: max(0.9rem, env(safe-area-inset-bottom));
  z-index: 85;
  transform: translate(-50%, 0);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  height: 2.75rem;
  padding: 0 0.4rem 0 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.35);
  opacity: 0;
  translate: 0 1rem;
  transition: opacity 0.5s var(--ease-out), translate 0.5s var(--ease-out), background-color var(--t-tone), border-color var(--t-tone);
  pointer-events: none;
}
.pill.is-visible {
  opacity: 1;
  translate: 0 0;
  pointer-events: auto;
}
.pill-progress {
  position: relative;
  width: 2.5rem;
  height: 2px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.pill-progress i {
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform-origin: left;
  transform: scaleX(var(--p, 0));
}
.pill-label {
  display: inline-flex;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  min-width: 7.5rem;
}
.pill-label .idx {
  color: var(--accent);
}
.pill-label .name {
  display: inline-block;
  transition: transform 0.4s var(--ease-snap), opacity 0.3s;
}
.pill-label.is-switching .name {
  transform: translateY(120%);
  opacity: 0;
  transition: none;
}
.pill-btn {
  height: 2rem;
  padding-inline: 0.85rem;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  transition: transform 0.3s var(--ease-snap), background-color var(--t-tone), color var(--t-tone);
}
.pill-btn:hover {
  transform: scale(1.04);
}

/* ---------- Menu overlay ---------- */
.menu {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: var(--ink);
  color: var(--paper);
  --accent: var(--red);
  --muted: #a39d92;
  --line: rgba(242, 237, 227, 0.14);
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: calc(var(--nav-h) + 1rem) var(--gutter) 1.5rem;
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path 0.7s var(--ease-in-out), visibility 0s linear 0.7s;
}
html.menu-open .menu {
  clip-path: inset(0 0 0 0);
  visibility: visible;
  transition: clip-path 0.7s var(--ease-in-out), visibility 0s;
}
.menu-kicker {
  color: var(--muted);
}
.menu-list {
  display: grid;
  align-content: center;
  gap: 0.15rem;
}
.menu-item a {
  display: grid;
  grid-template-columns: 3rem 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: 0.35rem 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.5vw, 4.75rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.05;
  border-bottom: 1px solid var(--line);
  transition: color 0.3s, padding-left 0.4s var(--ease-snap);
}
.menu-item a:hover,
.menu-item a:focus-visible {
  color: var(--red);
  padding-left: 0.5rem;
}
.menu-item .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--red);
}
.menu-item .hint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display: none;
}
@media (min-width: 700px) {
  .menu-item .hint {
    display: block;
  }
}
.menu-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  color: var(--muted);
}
.menu-foot a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper);
}
.menu-foot a:hover {
  color: var(--red);
}
@media (prefers-reduced-motion: no-preference) {
  .menu-item {
    transform: translateY(1.5rem);
    opacity: 0;
    transition: transform 0.7s var(--ease-out), opacity 0.5s;
  }
  html.menu-open .menu-item {
    transform: none;
    opacity: 1;
    transition-delay: calc(0.25s + var(--i, 0) * 0.06s);
  }
}

/* ---------- Custom cursor ---------- */
.cursor,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  pointer-events: none;
  border-radius: 50%;
  will-change: transform;
}
.cursor {
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  background: var(--accent-vivid);
  mix-blend-mode: normal;
  transition: opacity 0.3s, transform 0.2s var(--ease-out);
  opacity: 0;
}
.cursor-ring {
  width: 72px;
  height: 72px;
  margin: -36px 0 0 -36px;
  display: grid;
  place-items: center;
  background: var(--fg);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  scale: 0;
  opacity: 0;
  transition: scale 0.45s var(--ease-snap), opacity 0.3s, background-color var(--t-tone), color var(--t-tone);
}
html.has-cursor .cursor {
  opacity: 1;
}
html.has-cursor.cursor-hover .cursor-ring {
  scale: 1;
  opacity: 1;
}
html.has-cursor.cursor-hover .cursor {
  transform: scale(0);
}
html.has-cursor.cursor-down .cursor-ring {
  scale: 0.85;
}
html.has-cursor.cursor-link .cursor {
  transform: scale(2.5);
}
html.has-cursor,
html.has-cursor a,
html.has-cursor button {
  cursor: none;
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  height: 3.25rem;
  padding-inline: 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--fg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  overflow: hidden;
  isolation: isolate;
  transition: color 0.35s var(--ease-out), border-color var(--t-tone), transform 0.3s var(--ease-snap);
}
.btn::before {
  content: '';
  position: absolute;
  inset: -1px;
  z-index: -1;
  background: var(--fg);
  border-radius: inherit;
  transform: translateY(101%);
  transition: transform 0.45s var(--ease-snap), background-color var(--t-tone);
}
.btn:hover::before,
.btn:focus-visible::before {
  transform: none;
}
.btn:hover,
.btn:focus-visible {
  color: var(--bg);
}
.btn:active {
  transform: scale(0.97);
}
.btn-solid {
  background: var(--fg);
  color: var(--bg);
}
.btn-solid::before {
  background: var(--accent);
}
.btn-solid:hover {
  color: var(--bg);
  border-color: var(--accent);
}
body[data-tone='accent'] .btn-solid::before {
  background: var(--paper);
}
body[data-tone='accent'] .btn-solid:hover {
  color: var(--ink);
  border-color: var(--paper);
}
.btn .arrow {
  display: inline-block;
  transition: transform 0.4s var(--ease-snap);
}
.btn:hover .arrow {
  transform: translateX(0.3rem);
}
.btn:hover .arrow-down {
  transform: translateY(0.3rem);
}
.btn-ghost {
  border-color: var(--line-strong);
}

.chip {
  display: inline-flex;
  align-items: center;
  height: 1.85rem;
  padding-inline: 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* ---------- Status dot ---------- */
.live {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.live-dot {
  position: relative;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--accent-vivid);
}
@media (prefers-reduced-motion: no-preference) {
  .live-dot::after {
    content: '';
    position: absolute;
    inset: -0.35rem;
    border-radius: 50%;
    border: 1px solid var(--accent-vivid);
    animation: ping 2.2s var(--ease-out) infinite;
  }
  @keyframes ping {
    0% {
      transform: scale(0.4);
      opacity: 1;
    }
    100% {
      transform: scale(1.4);
      opacity: 0;
    }
  }
}

/* ---------- Reveal ---------- */
[data-reveal] {
  --d: 0ms;
}
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(1.6rem);
    transition: opacity 0.9s var(--ease-out) var(--d), transform 1s var(--ease-out) var(--d);
  }
  [data-reveal].is-in {
    opacity: 1;
    transform: none;
  }
  [data-reveal='mask'] {
    transform: none;
    opacity: 1;
    clip-path: inset(0 0 100% 0);
    transition: clip-path 1.1s var(--ease-out) var(--d);
  }
  [data-reveal='mask'].is-in {
    clip-path: inset(0 0 0 0);
  }
  [data-reveal='lines'] {
    opacity: 1;
    transform: none;
  }
  [data-reveal='lines'] .line {
    display: block;
    overflow: hidden;
  }
  [data-reveal='lines'] .line > span {
    display: block;
    transform: translateY(110%);
    transition: transform 1s var(--ease-out);
  }
  [data-reveal='lines'].is-in .line > span {
    transform: none;
  }
  [data-reveal='lines'].is-in .line:nth-child(2) > span {
    transition-delay: 0.08s;
  }
  [data-reveal='lines'].is-in .line:nth-child(3) > span {
    transition-delay: 0.16s;
  }
  [data-reveal='lines'].is-in .line:nth-child(4) > span {
    transition-delay: 0.24s;
  }
}

/* ---------- Media ---------- */
.frame {
  position: relative;
  overflow: hidden;
  border-radius: 0.75rem;
  background: var(--bg-2);
}
.frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Footer ---------- */
.footer {
  padding: 2rem var(--gutter) calc(4.5rem + env(safe-area-inset-bottom));
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer a {
  color: var(--fg);
}
.footer a:hover {
  color: var(--accent);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 4.5rem;
  z-index: 100;
  transform: translate(-50%, 1rem);
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.4s var(--ease-snap);
}
.toast.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- View transitions (cross-document) ---------- */
@view-transition {
  navigation: auto;
}
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) {
    animation: vt-out 0.35s var(--ease-in-out) both;
  }
  ::view-transition-new(root) {
    animation: vt-in 0.55s var(--ease-out) both;
  }
  @keyframes vt-out {
    to {
      opacity: 0;
      transform: translateY(-1.5rem);
    }
  }
  @keyframes vt-in {
    from {
      opacity: 0;
      transform: translateY(2rem);
    }
  }
}
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
  html {
    scroll-behavior: auto;
  }
  body {
    transition: none;
  }
}

/* ---------- Grain ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.7 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body[data-tone='ink'] .grain {
  opacity: 0.05;
  filter: invert(1);
}