/* ---------------------------------------------------------------
   Xerous: monochrome bio and showcase.
   Wide margins, big type, tone fields instead of rules.
   CSS-only 3D wireframe globe, theme toggle, showcase tabs.
   --------------------------------------------------------------- */

:root {
  --ground: #ffffff;
  --surface: #f3f3f3;
  --raise: #ffffff;
  --surface-2: #e8e8e8;
  --ink: #0a0a0a;
  --ink-2: #3f3f3f;
  --muted: #626262;
  --invert-bg: #0a0a0a;
  --invert-ink: #ffffff;
  --invert-muted: #b0b0b0;
  --focus: #0a0a0a;

  --ring: rgba(10, 10, 10, 0.26);
  --ring-hover: rgba(10, 10, 10, 0.55);
  --aura: rgba(10, 10, 10, 0.07);
  --orb-halo: #ffffff;
  --spot: rgba(10, 10, 10, 0.022);
  --dot: rgba(10, 10, 10, 0.05);
  --lift: 0 20px 44px -26px rgba(0, 0, 0, 0.5);
  --pop: 0 28px 56px -22px rgba(0, 0, 0, 0.3), 0 2px 6px rgba(0, 0, 0, 0.05);

  --margin: clamp(18px, 2.6vw, 34px);
  --wide: 1760px;

  --r-1: 16px;
  --r-2: 26px;
  --r-3: 36px;
  --full: 999px;

  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --display: "Space Grotesk", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  color-scheme: light;
}

/* the toggle flips away from the system theme */
body:has(#theme:checked) {
  --ground: #0a0a0a;
  --surface: #151515;
  --raise: #1f1f1f;
  --surface-2: #262626;
  --ink: #f7f7f7;
  --ink-2: #c3c3c3;
  --muted: #9c9c9c;
  --invert-bg: #f2f2f2;
  --invert-ink: #0a0a0a;
  --invert-muted: #4c4c4c;
  --focus: #f7f7f7;

  --ring: rgba(247, 247, 247, 0.27);
  --ring-hover: rgba(247, 247, 247, 0.6);
  --aura: rgba(255, 255, 255, 0.08);
  --orb-halo: #1b1b1b;
  --spot: rgba(255, 255, 255, 0.028);
  --dot: rgba(255, 255, 255, 0.055);
  --lift: 0 26px 60px -30px rgba(0, 0, 0, 0.9);
  --pop: 0 30px 64px -24px rgba(0, 0, 0, 0.95), 0 2px 8px rgba(0, 0, 0, 0.55);

  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0a0a0a;
    --surface: #151515;
    --raise: #1f1f1f;
    --surface-2: #262626;
    --ink: #f7f7f7;
    --ink-2: #c3c3c3;
    --muted: #9c9c9c;
    --invert-bg: #f2f2f2;
    --invert-ink: #0a0a0a;
    --invert-muted: #4c4c4c;
    --focus: #f7f7f7;
    --ring: rgba(247, 247, 247, 0.27);
    --ring-hover: rgba(247, 247, 247, 0.6);
    --aura: rgba(255, 255, 255, 0.08);
    --orb-halo: #1b1b1b;
    --spot: rgba(255, 255, 255, 0.028);
    --dot: rgba(255, 255, 255, 0.055);
    --lift: 0 26px 60px -30px rgba(0, 0, 0, 0.9);
    --pop: 0 30px 64px -24px rgba(0, 0, 0, 0.95), 0 2px 8px rgba(0, 0, 0, 0.55);
    color-scheme: dark;
  }

  /* on a dark system the toggle returns to light */
  body:has(#theme:checked) {
    --ground: #ffffff;
    --surface: #f3f3f3;
    --raise: #ffffff;
    --surface-2: #e8e8e8;
    --ink: #0a0a0a;
    --ink-2: #3f3f3f;
    --muted: #626262;
    --invert-bg: #0a0a0a;
    --invert-ink: #ffffff;
    --invert-muted: #b0b0b0;
    --focus: #0a0a0a;
    --ring: rgba(10, 10, 10, 0.26);
    --ring-hover: rgba(10, 10, 10, 0.55);
    --aura: rgba(10, 10, 10, 0.07);
    --orb-halo: #ffffff;
    --spot: rgba(10, 10, 10, 0.022);
    --dot: rgba(10, 10, 10, 0.05);
    --lift: 0 20px 44px -26px rgba(0, 0, 0, 0.5);
    --pop: 0 28px 56px -22px rgba(0, 0, 0, 0.3), 0 2px 6px rgba(0, 0, 0, 0.05);
    color-scheme: light;
  }
}

/* ---------- base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ground);
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 0.3s ease;
}

::selection {
  background: var(--ink);
  color: var(--ground);
}

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 6px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- navigation ---------- */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--wide);
  margin-inline: auto;
  padding: 20px var(--margin);
}

.nav__start,
.nav__end {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 30px);
  min-width: 0;
}

.nav__end { gap: clamp(14px, 2vw, 26px); }

.wordmark {
  font-family: var(--display);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 26px);
}

.nav__links a {
  font-size: 0.9375rem;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s ease;
}

.nav__links a:hover { color: var(--ink); }

.theme {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: -10px -8px -10px 0;
  border-radius: 50%;
  background: var(--surface);
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.3s ease;
}

.theme:hover {
  background: var(--surface-2);
  transform: rotate(20deg);
}

.theme__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--ink);
  background: linear-gradient(90deg, var(--ink) 0 50%, transparent 50% 100%);
  transition: background 0.25s ease, transform 0.45s ease;
}

.theme:hover .theme__dot { transform: rotate(180deg); }

#theme:checked + .theme .theme__dot { background: var(--ink); }

#theme:focus-visible + .theme {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  isolation: isolate;
  padding-top: clamp(4px, 1.4vw, 18px);
  padding-bottom: clamp(28px, 4vw, 52px);
}

/* a dotted field that only exists under the cursor */
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(circle at 1px 1px, var(--dot) 0.8px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(230px circle at var(--px, 50%) var(--py, 50%), #000 0%, transparent 70%);
  mask-image: radial-gradient(230px circle at var(--px, 50%) var(--py, 50%), #000 0%, transparent 70%);
  transition: opacity 0.8s ease;
}

body.has-pointer .hero-grid { opacity: 1; }

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  align-items: center;
  gap: clamp(14px, 1.8vw, 26px) clamp(20px, 3.4vw, 52px);
  max-width: var(--wide);
  margin-inline: auto;
  padding-inline: var(--margin);
}

.hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55em;
  margin: 0 0 clamp(18px, 2.2vw, 30px);
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.hero__eyebrow span[aria-hidden] { opacity: 0.45; }

.hero__pulse {
  position: relative;
  width: 7px;
  height: 7px;
  margin-right: 2px;
  border-radius: 50%;
  background: var(--ink);
}

.hero__pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  animation: ping 3.2s ease-out infinite;
}

.hero__text { min-width: 0; }

.hero h1 {
  margin: 0 0 clamp(14px, 1.8vw, 24px);
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(3.25rem, 8.6vw, 7.75rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.045em;
  transition: letter-spacing 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.hero h1:hover { letter-spacing: -0.018em; }

.hero__line {
  max-width: 26em;
  margin: 0;
  font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
  line-height: 1.6;
  color: var(--ink-2);
}

.hero__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 20px;
  max-width: var(--wide);
  margin: clamp(22px, 3.4vw, 40px) auto 0;
  padding-inline: var(--margin);
}

.hero__note {
  margin: 0 0 0 auto;
  color: var(--muted);
  font-size: 0.8125rem;
  text-align: right;
}

.scroll {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 0.2s ease;
}

.scroll:hover { color: var(--ink); }

.scroll__line {
  position: relative;
  width: 1px;
  height: 26px;
  overflow: hidden;
  background: color-mix(in srgb, var(--ink) 18%, transparent);
}

.scroll__line::after {
  content: "";
  position: absolute;
  left: 0;
  width: 1px;
  height: 9px;
  background: var(--ink);
  animation: drip 2.1s cubic-bezier(0.6, 0, 0.4, 1) infinite;
}

@keyframes drip {
  0%   { transform: translateY(-10px); opacity: 0; }
  30%  { opacity: 1; }
  100% { transform: translateY(26px); opacity: 0; }
}

.hero__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 18px;
  margin-top: clamp(22px, 2.6vw, 30px);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45em;
  min-height: 50px;
  padding: 0.85rem 1.6rem;
  border: 0;
  border-radius: var(--full);
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.22s cubic-bezier(0.2, 0.7, 0.2, 1),
              background-color 0.22s ease,
              color 0.22s ease,
              box-shadow 0.22s ease;
}

.btn--solid {
  background: var(--ink);
  color: var(--ground);
}

.btn--solid {
  background: var(--ink);
  color: var(--ground);
}

.btn--quiet {
  background: var(--surface);
  color: var(--ink);
}

.btn--quiet:hover { background: var(--surface-2); }

.btn--raise {
  background: var(--raise);
  color: var(--ink);
}

.btn--raise:hover { box-shadow: var(--lift); }

/* the magnetic pull: --mx / --my are set by app.js */
.btn {
  --mx: 0;
  --my: 0;
  transform: translate3d(calc(var(--mx) * 3px), calc(var(--my) * 3px), 0);
}

.btn:hover {
  transform: translate3d(calc(var(--mx) * 3px), calc(var(--my) * 3px - 2px), 0);
  box-shadow: var(--lift);
}

/* ---------- wireframe globe ---------- */

.hero__stage { min-width: 0; }

.stage {
  --u: 1px;
  position: relative;
  width: calc(470 * var(--u));
  max-width: 100%;
  aspect-ratio: 1;
  margin-inline: auto;
  perspective: 1200px;
}

.stage::before {
  content: "";
  position: absolute;
  inset: -6%;
  z-index: 0;
  border-radius: 50%;
  background: radial-gradient(circle, var(--aura) 0%, transparent 66%);
}

.globe {
  position: absolute;
  inset: 0;
  z-index: 1;
  transform-style: preserve-3d;
  animation: spin 28s linear infinite;
}

.ring {
  position: absolute;
  inset: 0;
  margin: auto;
  border: 1px solid var(--ring);
  border-radius: 50%;
  transition: border-color 0.45s ease;
}

.stage:hover .ring { border-color: var(--ring-hover); }

/* meridians */
.mer--1 { transform: rotateY(0deg); }
.mer--2 { transform: rotateY(22.5deg); }
.mer--3 { transform: rotateY(45deg); }
.mer--4 { transform: rotateY(67.5deg); }
.mer--5 { transform: rotateY(90deg); }
.mer--6 { transform: rotateY(112.5deg); }
.mer--7 { transform: rotateY(135deg); }
.mer--8 { transform: rotateY(157.5deg); }

/* parallels: radius shrinks by sqrt(1 - (d/R)^2), R = 235 units */
.par--0 { width: 100%;  height: 100%;  transform: rotateX(90deg); }
.par--1 { width: 95.5%; height: 95.5%; transform: rotateX(90deg) translateZ(calc(70 * var(--u))); }
.par--2 { width: 95.5%; height: 95.5%; transform: rotateX(90deg) translateZ(calc(-70 * var(--u))); }
.par--3 { width: 81.6%; height: 81.6%; transform: rotateX(90deg) translateZ(calc(136 * var(--u))); }
.par--4 { width: 81.6%; height: 81.6%; transform: rotateX(90deg) translateZ(calc(-136 * var(--u))); }
.par--5 { width: 63.8%; height: 63.8%; transform: rotateX(90deg) translateZ(calc(181 * var(--u))); }
.par--6 { width: 63.8%; height: 63.8%; transform: rotateX(90deg) translateZ(calc(-181 * var(--u))); }

.orb {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: calc(160 * var(--u));
  height: calc(160 * var(--u));
  margin: auto;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(1);
  box-shadow: 0 0 0 calc(11 * var(--u)) var(--orb-halo),
              0 0 0 calc(12 * var(--u)) var(--ring);
  animation: bob 9s ease-in-out infinite alternate;
}

@keyframes spin {
  from { transform: rotateX(-11deg) rotateY(0deg); }
  to   { transform: rotateX(-11deg) rotateY(360deg); }
}

@keyframes bob {
  from { transform: translateY(calc(-6 * var(--u))); }
  to   { transform: translateY(calc(6 * var(--u))); }
}


@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- feature band ---------- */

.band {
  overflow: hidden;
  margin-top: clamp(14px, 2.4vw, 26px);
  padding-block: clamp(16px, 2vw, 22px);
  background: var(--invert-bg);
  color: var(--invert-ink);
}

.band__viewport {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.band__track {
  display: flex;
  width: max-content;
  animation: marquee 38s linear infinite;
}

.band:hover .band__track { animation-play-state: paused; }

.band__track span {
  display: inline-flex;
  align-items: center;
  font-size: clamp(0.95rem, 1.5vw, 1.1875rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  white-space: nowrap;
}

.band__track span {
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.band__track span:hover {
  opacity: 0.55;
  transform: translateY(-1px);
}

.band__track span::after {
  content: "";
  width: 5px;
  height: 5px;
  margin: 0 clamp(20px, 3vw, 34px);
  border-radius: 50%;
  background: currentColor;
  opacity: 0.45;
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ---------- showcase ---------- */

.showcase {
  padding-block: clamp(52px, 7vw, 104px) clamp(48px, 6vw, 88px);
}

.showcase__inner {
  max-width: var(--wide);
  margin-inline: auto;
  padding-inline: var(--margin);
}

.showcase h2 {
  margin: 0 0 clamp(26px, 3.4vw, 40px);
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.tabbar {
  display: inline-flex;
  gap: 5px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
  padding: 5px;
  border-radius: var(--full);
  background: var(--surface);
}

.tab {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.6rem 1.5rem;
  border-radius: var(--full);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.tab:hover { color: var(--ink); }

#tab-synapse:checked ~ .tabbar label[for="tab-synapse"],
#tab-synfull:checked ~ .tabbar label[for="tab-synfull"] {
  background: var(--ink);
  color: var(--ground);
}

#tab-synapse:focus-visible ~ .tabbar label[for="tab-synapse"],
#tab-synfull:focus-visible ~ .tabbar label[for="tab-synfull"] {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.panel {
  --tx: 0;
  --ty: 0;
  display: none;
  padding: clamp(20px, 3.4vw, 44px);
  border-radius: var(--r-3);
  background: var(--surface);
  transform: perspective(1600px) rotateX(calc(var(--ty) * 1deg)) rotateY(calc(var(--tx) * 1deg));
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
  will-change: transform;
}

#tab-synapse:checked ~ .panels .panel--synapse,
#tab-synfull:checked ~ .panels .panel--synfull {
  display: block;
  animation: panel-in 0.45s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

@keyframes panel-in {
  from { opacity: 0; translate: 0 14px; }
  to   { opacity: 1; translate: 0 0; }
}

.panel__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: clamp(16px, 2.2vw, 26px);
  margin-bottom: clamp(24px, 3.2vw, 38px);
}

.panel__logo,
.panel__mark {
  display: block;
  width: 88px;
  height: 88px;
  border-radius: var(--r-2);
  background: var(--ink);
}

.panel__logo { object-fit: cover; }

.panel__mark {
  display: grid;
  place-items: center;
  color: var(--ground);
  font-size: 1.875rem;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.panel h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
}

.panel__head p {
  max-width: 56ch;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--ink-2);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin: -14px;
}

.feature {
  padding: 14px;
  border-radius: var(--r-1);
  transition: background-color 0.22s ease, transform 0.22s ease;
}

.feature:hover {
  background: var(--raise);
  transform: translateY(-2px);
}

.fname {
  margin: 0 0 5px;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.fdesc {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--muted);
}

.points {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin: 0;
  padding: 0;
  list-style: none;
}

.points li {
  position: relative;
  padding-left: 22px;
  font-size: 0.9688rem;
  line-height: 1.55;
  color: var(--ink-2);
}

.points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
}

.panel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(24px, 3.2vw, 34px);
}

.install {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 1.3rem;
  border-radius: var(--full);
  background: var(--raise);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.875rem;
  letter-spacing: -0.01em;
}

/* ---------- closing scene ---------- */

.close {
  margin-top: clamp(32px, 5vw, 64px);
  padding-top: clamp(30px, 4vw, 46px);
  overflow: hidden;
  border-radius: var(--r-3) var(--r-3) 0 0;
  background: var(--invert-bg);
  color: var(--invert-ink);
  --focus: var(--invert-ink);
}

.close__inner {
  max-width: var(--wide);
  margin-inline: auto;
  padding-inline: var(--margin);
}

.close__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(34px, 6vw, 72px);
}

.clink {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 7px 20px 7px 7px;
  border-radius: var(--full);
  background: color-mix(in srgb, var(--invert-ink) 9%, transparent);
  color: var(--invert-ink);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.25s ease, color 0.25s ease,
              transform 0.25s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.clink:hover {
  background: var(--invert-ink);
  color: var(--invert-bg);
  transform: translateY(-2px);
}

.clink__icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: color-mix(in srgb, currentColor 12%, transparent);
  transition: background-color 0.25s ease;
}

.clink__icon svg {
  width: 17px;
  height: 17px;
  transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.clink:hover .clink__icon { background: color-mix(in srgb, currentColor 14%, transparent); }

.clink:hover .clink__icon svg { transform: translateY(-1.5px); }

/* ---------- closing signature ---------- */

.close__sign {
  display: block;
}

.close__name {
  margin: 0;
  font-family: var(--display);
  font-size: min(29vw, 34rem);
  font-weight: 600;
  line-height: 0.8;
  letter-spacing: -0.05em;
  white-space: nowrap;
  background-image: linear-gradient(104deg,
    var(--invert-ink) 0 40%,
    color-mix(in srgb, var(--invert-ink) 82%, var(--invert-bg)) 47%,
    var(--invert-ink) 54% 100%);
  background-size: 280% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: sheen 12s ease-in-out infinite;
  /* the glyph ink reaches above the line box: keep it out of the way of the links */
  pointer-events: none;
}

.close__name span {
  display: inline-block;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.close__sign:hover .close__name span { transform: translateY(-0.045em); }

.close__name span:nth-child(2) { transition-delay: 0.03s; }
.close__name span:nth-child(3) { transition-delay: 0.06s; }
.close__name span:nth-child(4) { transition-delay: 0.09s; }
.close__name span:nth-child(5) { transition-delay: 0.12s; }
.close__name span:nth-child(6) { transition-delay: 0.15s; }

@keyframes sheen {
  0%, 100% { background-position: 100% 0; }
  50%      { background-position: 0% 0; }
}

.close__base {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(18px, 3vw, 30px);
  padding-block: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid color-mix(in srgb, var(--invert-ink) 18%, transparent);
}

.close__star {
  flex: 0 0 auto;
  width: clamp(22px, 2.2vw, 34px);
  height: clamp(22px, 2.2vw, 34px);
  color: var(--invert-muted);
  animation: starslow 34s linear infinite;
  transition: color 0.3s ease;
}

.close__star:hover { color: var(--invert-ink); }

@keyframes starslow {
  to { transform: rotate(360deg); }
}

.close__legal {
  margin: 0;
  font-size: 0.875rem;
  color: var(--invert-muted);
}

/* ---------- live extras ---------- */

.progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 70;
  width: 100%;
  height: 2px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ---------- floating glass dock ---------- */

.dock {
  position: fixed;
  top: 16px;
  left: 50%;
  z-index: 65;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 6px;
  border: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
  border-radius: var(--full);
  background: color-mix(in srgb, var(--ground) 70%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--ground) 75%, transparent),
              0 22px 44px -30px rgba(0, 0, 0, 0.7);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  backdrop-filter: blur(24px) saturate(160%);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -12px);
  transition: opacity 0.32s ease, transform 0.32s cubic-bezier(0.2, 0.7, 0.2, 1),
              visibility 0.32s ease;
}

.dock.is-on {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.dock__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 15px;
  border-radius: var(--full);
  color: var(--ink);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.dock__link:hover,
.dock__link:focus-visible {
  background: var(--ink);
  color: var(--ground);
}

.dock__icon {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
}

.dock__glyph {
  position: relative;
  display: inline-flex;
}

.dock__plus {
  position: absolute;
  right: -7px;
  bottom: -5px;
  display: none;
  place-items: center;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--ground);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
}

.dock__link:hover .dock__plus {
  background: var(--ground);
  color: var(--ink);
}

.spotlight {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
  width: 900px;
  height: 900px;
  margin: -450px 0 0 -450px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--spot) 0%, transparent 62%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
  will-change: transform;
}

.spotlight.is-on { opacity: 1; }

/* a faint grain keeps the flat grounds from reading as blank paper */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.04;
  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='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

/* ---------- presence chip ---------- */

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 38px;
  padding: 0 15px;
  border-radius: var(--full);
  background: var(--surface);
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.status:hover {
  background: var(--surface-2);
  transform: translateY(-1px);
}

.status.is-hidden { display: none; }

.status__activity {
  max-width: 26ch;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--muted);
  font-weight: 400;
}

.status__activity:empty { display: none; }

.status__activity:not(:empty)::before {
  content: "\00b7";
  margin-right: 7px;
  color: var(--muted);
}

.status__dot {
  position: relative;
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status[data-state="online"] .status__dot { background: var(--ink); }

.status[data-state="online"] .status__dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  opacity: 0.45;
  animation: ping 2.6s ease-out infinite;
}

.status[data-state="idle"] .status__dot {
  background: linear-gradient(90deg, var(--ink) 0 50%, transparent 50% 100%);
  box-shadow: inset 0 0 0 1px var(--ink);
}

.status[data-state="dnd"] .status__dot { background: var(--ink); }

.status[data-state="dnd"] .status__dot::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1.5px;
  background: var(--surface);
  transform: translateY(-50%);
}

.status[data-state="offline"] .status__dot {
  box-shadow: inset 0 0 0 1px var(--muted);
}

@keyframes ping {
  0%   { transform: scale(0.7); opacity: 0.5; }
  70%  { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ---------- presence dropdown ---------- */

.presence {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

/* invisible bridge so crossing the gap does not close the panel */
.presence::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 16px;
}

.status__caret {
  width: 6px;
  height: 6px;
  margin: -2px 0 0 3px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
}

.presence:hover .status__caret {
  transform: rotate(225deg) translate(-1px, -1px);
}

.presence__panel {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  z-index: 75;
  width: min(330px, calc(100vw - 36px));
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--ink) 16%, transparent);
  border-radius: var(--r-2);
  background: var(--raise);
  box-shadow: var(--pop);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s cubic-bezier(0.2, 0.7, 0.2, 1),
              visibility 0.2s ease;
}

.presence:hover .presence__panel,
.presence:focus-within .presence__panel {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.presence__panel[hidden] { display: none; }

.presence__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 10%, transparent);
}

.presence__avatar {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  filter: grayscale(1);
  background: var(--surface);
}

.presence__id { min-width: 0; }

.presence__name {
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.presence__state {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.8125rem;
}

.presence__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
}

.presence__state[data-state="online"] .presence__dot { background: var(--ink); }

.presence__state[data-state="idle"] .presence__dot {
  background: linear-gradient(90deg, var(--ink) 0 50%, transparent 50% 100%);
  box-shadow: inset 0 0 0 1px var(--ink);
}

.presence__state[data-state="dnd"] .presence__dot { background: var(--ink); }

.presence__state[data-state="offline"] .presence__dot {
  box-shadow: inset 0 0 0 1px var(--muted);
}

.presence__list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.presence__item { display: grid; gap: 2px; }

.presence__kicker {
  margin: 0 0 1px;
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.presence__title {
  margin: 0;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 600;
}

.presence__meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.45;
}

.presence__bar {
  height: 3px;
  margin-top: 7px;
  overflow: hidden;
  border-radius: var(--full);
  background: var(--surface-2);
}

.presence__fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: var(--full);
  background: var(--ink);
  transition: width 1s linear;
}

.presence__times {
  display: flex;
  justify-content: space-between;
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
}

.presence__empty {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
}

@media (hover: none) {
  .presence__panel { display: none; }
  .status__caret { display: none; }
}

/* ---------- badges ---------- */

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.badges[hidden] { display: none; }

.badge {
  padding: 6px 12px;
  border-radius: var(--full);
  background: var(--surface);
  color: var(--ink-2);
  font-size: 0.75rem;
  font-weight: 500;
}

/* ---------- globe tilt ---------- */

.tilt {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- scroll reveal ---------- */

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1),
              transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

html.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

html.js .tabbar[data-reveal] { transition-delay: 0.06s; }
html.js .panels[data-reveal] { transition-delay: 0.12s; }

/* ---------- entrance ---------- */

.hero h1,
.hero__line,
.actions,
.hero__stage {
  animation: rise 0.8s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero__line { animation-delay: 0.08s; }
.actions { animation-delay: 0.16s; }
.hero__stage { animation-delay: 0.1s; }

/* ---------- responsive ---------- */

@media (min-width: 1600px) {
  .stage { --u: 1.18px; }
  .hero h1 { font-size: clamp(7.75rem, 8vw, 9rem); }
  .hero__line { font-size: 1.3125rem; }
}

@media (max-width: 1024px) {
  .stage { --u: 0.8px; }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: clamp(28px, 5vw, 40px);
  }

  .stage { --u: 0.78px; }
  .hero__line { max-width: 32em; }
}

@media (max-width: 720px) {
  .status__activity { display: none; }

  .dock {
    top: auto;
    bottom: calc(16px + env(safe-area-inset-bottom, 0px));
    transform: translate(-50%, 12px);
  }

  .dock.is-on { transform: translate(-50%, 0); }

  .dock__link {
    width: 46px;
    padding: 0;
    justify-content: center;
  }

  .dock__label {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  .dock__plus {
    display: grid;
    right: -6px;
    bottom: -4px;
  }

  .dock__glyph .dock__icon {
    width: 18px;
    height: 18px;
  }
}

@media (max-width: 620px) {
  body { font-size: 16px; }

  .nav__links { display: none; }

  .status {
    height: 34px;
    padding: 0 11px;
    font-size: 0.75rem;
  }

  .stage { --u: 0.72px; }

  .features { grid-template-columns: 1fr; }

  .panel__head { grid-template-columns: auto minmax(0, 1fr); }

  .panel__logo,
  .panel__mark {
    width: 64px;
    height: 64px;
    border-radius: var(--r-1);
  }

  .panel__mark { font-size: 1.375rem; }

  .panel__head p { font-size: 1rem; }

  .tab { padding-inline: 1.15rem; }

  .btn { width: 100%; }

  .panel__actions .install { width: 100%; justify-content: center; }

  .clink {
    gap: 9px;
    padding: 6px 16px 6px 6px;
    font-size: 0.875rem;
  }

  .clink__icon {
    width: 34px;
    height: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}