/* Project Meru - hub styles */

:root {
  --font-sans: "Instrument Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --color-primary: #5b8def;
  --color-primary-dark: #3d6fd4;
  --color-bg: #050505;
  --color-elevated: #0b0b0c;
  --color-surface: #111112;
  --color-surface-2: #171719;
  --color-text: #f7f7f5;
  --color-muted: #8b8b91;
  --color-dimmed: #55555b;
  --color-border: #ffffff1a;
  --color-border-strong: #ffffff29;
  --color-code-bg: #ffffff0e;
  --color-code-fg: #e0e0e0;
  --color-on-primary: #ffffff;
  --nav-bg: rgba(11, 11, 12, .78);
  --nav-border: rgba(255, 255, 255, .12);
  --nav-shadow: 0 18px 70px #00000057;
  --fill-soft: #ffffff06;
  --fill-hover: #ffffff12;
  --fill-active: #ffffff1a;
  --fill-ghost: #ffffff0a;
  --fill-ghost-hover: #ffffff14;
  --fill-tile: #ffffff0e;
  --fill-bar: #ffffff05;
  --dot-muted: #ffffff24;
  --hero-sheen: #ffffff0e;
  --terminal-shadow: 0 28px 100px #0000006b;
  --theme-color: #050505;

  --wrap: 1120px;
  --radius: 14px;
  --radius-sm: 8px;
  --chrome-stack: 72px;
  --header-offset: 88px;

  color-scheme: dark;
}

[data-theme="light"] {
  --color-bg: #f3f3f0;
  --color-elevated: #ffffff;
  --color-surface: #ffffff;
  --color-surface-2: #ecece8;
  --color-text: #141416;
  --color-muted: #5c5c64;
  --color-dimmed: #8a8a92;
  --color-border: #00000014;
  --color-border-strong: #00000024;
  --color-code-bg: #0000000a;
  --color-code-fg: #1c1c20;
  --nav-bg: rgba(255, 255, 255, .86);
  --nav-border: rgba(0, 0, 0, .1);
  --nav-shadow: 0 18px 50px #0000001a;
  --fill-soft: #00000006;
  --fill-hover: #0000000c;
  --fill-active: #00000012;
  --fill-ghost: #00000008;
  --fill-ghost-hover: #00000010;
  --fill-tile: #0000000a;
  --fill-bar: #00000005;
  --dot-muted: #0000002e;
  --hero-sheen: #00000008;
  --terminal-shadow: 0 20px 60px #00000014;
  --theme-color: #f3f3f0;

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-offset);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

h1, h2, h3, h4 {
  margin: 0 0 .45em;
  font-weight: 500;
  letter-spacing: -.04em;
  line-height: 1.05;
  color: var(--color-text);
}
h1 { font-size: clamp(2.5rem, 5.5vw, 4.5rem); line-height: 1; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); letter-spacing: -.035em; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); letter-spacing: -.025em; }

p { margin: 0 0 1em; color: var(--color-muted); }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--color-text); }
strong { color: var(--color-text); font-weight: 600; }
code, pre { font-family: var(--font-mono); }
code {
  font-size: .88em;
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  padding: .1em .4em;
  border-radius: 5px;
  color: var(--color-text);
}
ul, ol { margin: 0 0 1em; padding-left: 1.15em; color: var(--color-muted); }
li { margin-bottom: .35em; }
img, svg { max-width: 100%; display: block; }
::selection { background: var(--color-primary); color: var(--color-on-primary); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--color-primary); color: var(--color-on-primary); padding: 10px 16px; border-radius: 8px;
}
.skip-link:focus { left: 8px; top: 8px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 760px; }
.mt-lg { margin-top: 44px; }

/* Card nav */

.site-chrome {
  position: sticky;
  top: 0;
  z-index: 99;
  padding: 16px 0 0;
  pointer-events: none;
  background: transparent;
}
.site-chrome > * { pointer-events: auto; }

.card-nav-container {
  position: relative;
  width: fit-content;
  max-width: min(94vw, 920px);
  margin: 0 auto;
  z-index: 99;
}

.card-nav {
  display: block;
  height: 56px;
  padding: 0;
  border: 1px solid var(--nav-border);
  border-radius: 999px;
  box-shadow: var(--nav-shadow);
  position: relative;
  overflow: hidden;
  background: var(--nav-bg);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: height .28s ease, border-radius .28s ease;
}
.card-nav.open {
  height: auto;
  border-radius: 22px;
}

.card-nav-top {
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  padding: 6px 8px 6px 14px;
  position: relative;
  z-index: 2;
}

.card-nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.03em;
  color: var(--color-text);
  flex: 0 0 auto;
}
.card-nav-logo .brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.card-nav-logo .brand-mark img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: block;
}

.footer-brand .brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}
.footer-brand .brand-mark img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  display: block;
}

.card-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  min-width: 0;
  margin-left: 2px;
}

.card-nav-trigger {
  appearance: none;
  background: none;
  border: 0;
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -.01em;
  color: inherit;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: .72;
  transition: opacity .2s ease, background-color .2s ease;
}
.card-nav-trigger:hover,
.card-nav-trigger:focus-visible { opacity: 1; background: var(--fill-hover); }
.card-nav-trigger.active { opacity: 1; background: var(--fill-active); }

.card-nav-trigger-caret {
  width: 0; height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
  opacity: .6;
  transition: transform .24s ease;
}
.card-nav-trigger.active .card-nav-trigger-caret { transform: rotate(180deg); }

.card-nav-cta {
  border: none;
  border-radius: 999px;
  padding: 0 16px;
  height: 100%;
  min-height: 42px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  white-space: nowrap;
  margin-left: 4px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.card-nav-cta:hover {
  transform: scale(1.03);
  background: var(--color-primary-dark);
  color: var(--color-on-primary);
  box-shadow: 0 12px 36px color-mix(in srgb, var(--color-primary) 35%, transparent);
}

.card-nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  flex: 0 0 auto;
  margin-left: 0;
}
.card-nav-icon-link,
.theme-toggle {
  appearance: none;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
  padding: 0;
  text-decoration: none;
}
.card-nav-icon-link:hover,
.card-nav-icon-link:focus-visible,
.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--color-text);
  background: var(--fill-hover);
  border-color: var(--color-border);
}
.card-nav-icon-link svg,
.theme-toggle svg { display: block; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

.card-nav-panel {
  padding: 0 8px 8px;
  display: none;
}
.card-nav.open .card-nav-panel.is-active { display: block; }

.card-nav-boxes {
  display: flex;
  align-items: stretch;
  gap: 6px;
}

.nav-box {
  flex: 1 1 0;
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--fill-soft);
  padding: 13px 14px 14px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: var(--color-text);
  transition: background-color .22s ease, border-color .22s ease, transform .22s ease;
}
.nav-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 12% 0%, color-mix(in srgb, var(--color-primary) 22%, transparent), transparent 52%);
  opacity: 0;
  transition: opacity .24s ease;
  pointer-events: none;
}
.nav-box:hover,
.nav-box:focus-visible {
  background: var(--fill-hover);
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
  color: var(--color-text);
}
.nav-box:hover::before,
.nav-box:focus-visible::before { opacity: 1; }

.nav-box-head {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 9px;
}
.nav-box-tile {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 9px;
  background: var(--fill-tile);
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 600;
  transition: background-color .22s ease, color .22s ease, border-color .22s ease;
}
.nav-box:hover .nav-box-tile {
  background: color-mix(in srgb, var(--color-primary) 18%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 40%, transparent);
  color: var(--color-primary);
}
.nav-box-featured {
  background: color-mix(in srgb, var(--color-primary) 10%, var(--color-surface));
  border-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
}
.nav-box-featured .nav-box-tile {
  background: color-mix(in srgb, var(--color-primary) 22%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 50%, transparent);
  color: var(--color-primary);
}
.nav-box-featured .nav-box-label {
  color: var(--color-primary);
  font-weight: 650;
}
.nav-box-arrow { opacity: .22; font-size: 12px; transition: opacity .22s ease, transform .22s ease; }
.nav-box:hover .nav-box-arrow { opacity: .8; transform: translate(1px, -1px); }
.nav-box-label {
  position: relative;
  font-size: 13.5px;
  font-weight: 550;
  letter-spacing: -.025em;
  line-height: 1.25;
}
.nav-box-description {
  position: relative;
  font-size: 11.5px;
  line-height: 1.4;
  letter-spacing: -.005em;
  opacity: .48;
  color: var(--color-text);
}

@media (max-width: 900px) {
  .card-nav-cta { display: none; }
  .card-nav-actions { margin-left: auto; }

  .card-nav.open {
    border-radius: 20px;
    background: var(--color-elevated);
  }
  .card-nav-panel {
    padding: 8px 10px 14px;
    border-top: 1px solid var(--color-border);
  }
  .card-nav-boxes {
    flex-direction: column;
    gap: 10px;
  }
  .nav-box {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "tile label arrow" "tile desc arrow";
    align-items: center;
    column-gap: 14px;
    row-gap: 4px;
    padding: 15px 14px;
    border-radius: 14px;
    background: var(--color-surface);
    border-color: var(--color-border-strong);
    min-height: 68px;
  }
  .nav-box-head { display: contents; }
  .nav-box-tile {
    grid-area: tile;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 13px;
  }
  .nav-box-arrow {
    grid-area: arrow;
    margin-top: 0;
    opacity: .55;
    font-size: 14px;
  }
  .nav-box-label {
    grid-area: label;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.3;
  }
  .nav-box-description {
    grid-area: desc;
    font-size: 12.5px;
    line-height: 1.45;
    opacity: .78;
    color: var(--color-muted);
  }
}

@media (max-width: 768px) {
  :root { --chrome-stack: 68px; } /* 12 + nav 56 */
  .site-chrome { padding: 12px 12px 0; }
  .card-nav-container { width: 100%; max-width: none; }

  .card-nav {
    height: 56px;
    border-radius: 18px;
  }
  .card-nav.open { border-radius: 18px; }

  .card-nav-top {
    height: 56px;
    gap: 4px;
    padding: 6px 6px 6px 10px;
  }

  .card-nav-logo {
    gap: 8px;
    font-size: 13px;
    flex: 0 0 auto;
    max-width: none;
  }
  .card-nav-logo > span:not(.brand-mark) {
    white-space: nowrap;
  }
  .card-nav-logo .brand-mark,
  .card-nav-logo .brand-mark img {
    width: 26px;
    height: 26px;
  }

  .card-nav-links {
    flex: 1 1 auto;
    justify-content: flex-end;
    gap: 0;
    min-width: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    mask-image: linear-gradient(to right, transparent, #000 6px, #000 calc(100% - 6px), transparent);
  }
  .card-nav-links::-webkit-scrollbar { display: none; }

  .card-nav-trigger {
    padding: 7px 9px;
    font-size: 12px;
    gap: 4px;
    flex: 0 0 auto;
  }
  .card-nav-trigger-caret {
    border-left-width: 3px;
    border-right-width: 3px;
    border-top-width: 3.5px;
  }

  .card-nav-actions {
    gap: 0;
    margin-left: 0;
    padding-left: 2px;
    border-left: 1px solid var(--color-border);
  }
  .card-nav-icon-link,
  .theme-toggle {
    width: 34px;
    height: 34px;
  }

  .card-nav-panel {
    padding: 6px 10px 14px;
  }
  .card-nav-boxes {
    gap: 10px;
  }
  .nav-box {
    min-height: 68px;
  }
}

@media (max-width: 480px) {
  .card-nav-trigger { padding: 7px 8px; }
  .card-nav-trigger-caret { display: none; }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.01em;
  border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
  cursor: pointer;
}
.btn:hover { text-decoration: none; transform: scale(1.02); }
.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-primary:hover { background: var(--color-primary-dark); color: var(--color-on-primary); }
.btn-ghost {
  background: var(--fill-ghost);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.btn-ghost:hover { background: var(--fill-ghost-hover); color: var(--color-text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Sections */

.section { padding: 96px 0; position: relative; }
.section-alt {
  background:
    radial-gradient(ellipse 50% 55% at 80% 20%, color-mix(in srgb, var(--color-primary) 6%, transparent), transparent 65%),
    var(--color-bg);
}
.section-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin: 0 0 16px;
}
.section-lede {
  max-width: 58ch;
  font-size: 1.05rem;
  color: var(--color-muted);
  margin-bottom: 40px;
}

.hero {
  /* Pull hero wash under sticky chrome; padding keeps content position unchanged */
  margin-top: calc(-1 * var(--chrome-stack));
  padding: calc(var(--chrome-stack) + 72px) 0 56px;
  background:
    radial-gradient(ellipse 55% 80% at 50% 0%, color-mix(in srgb, var(--color-primary) 13%, transparent), transparent 62%),
    linear-gradient(135deg, var(--hero-sheen), transparent 38%);
}
.hero-inner {
  display: grid;
  gap: 40px;
  align-items: center;
}
@media (min-width: 960px) {
  .hero-inner { grid-template-columns: 1.05fr .95fr; gap: 48px; }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0 0 18px;
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 16px color-mix(in srgb, var(--color-primary) 60%, transparent);
}
.hero h1 span { color: var(--color-muted); font-weight: 400; }
.lede { font-size: 1.08rem; max-width: 52ch; }

/* Cards / grids */

.grid { display: grid; gap: 14px; }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.card {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 0%, color-mix(in srgb, var(--color-primary) 12%, transparent), transparent 42%);
  pointer-events: none;
}
.card > * { position: relative; }
.card h3 { margin-bottom: .4em; }
.card p:last-child { margin-bottom: 0; }
.card-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 220px;
  transition: transform .22s ease, border-color .22s ease;
}
.project-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-strong);
  color: inherit;
}
.project-card .badge {
  align-self: flex-start;
}
.project-card .project-meta {
  margin-top: auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-dimmed);
}
.project-card.is-soon { opacity: .55; pointer-events: none; }

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
}
.badge-live {
  color: #6ee7b7;
  border-color: #6ee7b733;
  background: #6ee7b714;
}
.badge-soon {
  color: var(--color-dimmed);
  border-color: var(--color-border);
}

/* Code / terminal */

.terminal {
  border: 1px solid var(--color-border-strong);
  background: var(--color-elevated);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--terminal-shadow);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  background: var(--fill-bar);
}
.terminal-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--dot-muted);
}
.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-dimmed);
  letter-spacing: .04em;
}
.terminal-body {
  margin: 0;
  padding: 18px 18px 22px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--color-code-fg);
  overflow-x: auto;
  white-space: pre;
}
.t-cmd { color: var(--color-primary); }
.t-dim { color: var(--color-dimmed); }
.t-ok { color: #6ee7b7; }

pre {
  margin: 0 0 1em;
  padding: 16px 18px;
  background: var(--color-elevated);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow-x: auto;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--color-code-fg);
}
pre code { background: none; border: 0; padding: 0; font-size: inherit; }

/* Footer / misc */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 28px;
  margin-top: 40px;
  background: var(--color-elevated);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 28px;
}
.footer-brand {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 360px;
}
.footer-brand strong { display: block; margin-bottom: 4px; }
.footer-brand p { margin: 0; font-size: .92rem; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  font-size: 13px;
  color: var(--color-muted);
}
.footer-links a:hover { color: var(--color-text); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  font-size: 12px;
  color: var(--color-dimmed);
}
.footer-bottom p { margin: 0; color: inherit; }

.cta {
  padding: 88px 0;
  text-align: center;
  background:
    radial-gradient(50% 60% at 50% 30%, color-mix(in srgb, var(--color-primary) 10%, transparent), transparent 60%);
}
.cta p { max-width: 48ch; margin: 0 auto 1.4em; }
.cta .hero-actions { justify-content: center; }

.to-top {
  position: fixed;
  right: 18px; bottom: 18px;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
  z-index: 50;
}
.to-top.is-visible { opacity: 1; pointer-events: auto; }

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .5s ease, transform .5s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}