@import url('fonts.css');

/* ============================================================
   ZENITH SUITE — zenith.blacksyntax.com
   Design tokens per design_handoff_zenith_site/README.md.
   Background is pure black. Primary light is warm off-white
   #E8E8E6 — never #FFFFFF. Burnt gold #C8912E means Pro only.
   ============================================================ */

:root {
  --zx-accent: #E8E8E6;
  --zx-gold: #C8912E;

  --zx-black: #000000;
  --zx-surface: #0C0C10;
  --zx-surface-2: #141419;
  --zx-panel: #060608;
  --zx-core: #0A0A0C;

  /* the one light at layered alpha — the whole text hierarchy */
  --zx-t-85: rgba(232, 232, 230, .85);
  --zx-t-72: rgba(232, 232, 230, .72);
  --zx-t-66: rgba(232, 232, 230, .66);
  --zx-t-62: rgba(232, 232, 230, .62);
  --zx-t-60: rgba(232, 232, 230, .60);
  --zx-t-55: rgba(232, 232, 230, .55);
  --zx-t-52: rgba(232, 232, 230, .52);
  --zx-t-50: rgba(232, 232, 230, .50);
  --zx-t-42: rgba(232, 232, 230, .42);
  --zx-t-40: rgba(232, 232, 230, .40);
  --zx-t-38: rgba(232, 232, 230, .38);
  --zx-t-35: rgba(232, 232, 230, .35);
  --zx-t-32: rgba(232, 232, 230, .32);
  --zx-t-30: rgba(232, 232, 230, .30);
  --zx-t-26: rgba(232, 232, 230, .26);

  /* hairlines */
  --zx-line: rgba(232, 232, 230, .1);
  --zx-line-soft: rgba(232, 232, 230, .08);
  --zx-line-card: rgba(232, 232, 230, .12);

  --zx-ease: cubic-bezier(.16, 1, .3, 1);

  --zx-sans: Roboto, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --zx-mono: 'JetBrains Mono', ui-monospace, Consolas, 'SF Mono', Menlo, monospace;

  --zx-gut: clamp(22px, 5vw, 40px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body { margin: 0; padding: 0; background: var(--zx-black); }

body {
  font-family: var(--zx-sans);
  color: #E8E8E6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--zx-accent); text-decoration: none; }
a:hover { color: #fff; }
::selection { background: rgba(232, 232, 230, .18); }
img { max-width: 100%; }

:focus-visible {
  outline: 1px solid var(--zx-accent);
  outline-offset: 3px;
}

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

/* skip link — keyboard users land here first */
.zx-skip {
  position: fixed; top: -60px; left: 16px; z-index: 60;
  font: 300 12.5px/1 var(--zx-mono); letter-spacing: .12em;
  color: #E8E8E6; background: var(--zx-panel);
  border: 1px solid rgba(232, 232, 230, .28);
  padding: 11px 16px; border-radius: 2px;
  transition: top .25s var(--zx-ease);
}
.zx-skip:focus { top: 16px; }

/* ---------- canvas sky ---------- */

#zx-sky {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  z-index: 0; display: block; pointer-events: none;
}

.zx-root { position: relative; z-index: 1; }

/* ---------- keyframes ---------- */

@keyframes zxBreathe { 0%, 100% { opacity: .5; } 50% { opacity: 1; } }
@keyframes zxRingIn {
  from { opacity: 0; transform: translate(-50%, -50%) scale(.55); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
@keyframes zxStarIn {
  from { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(.2); }
  to   { opacity: 1; transform: translate(var(--tx), var(--ty)) scale(1); }
}
@keyframes zxFloatUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes zxCue {
  0%, 100% { opacity: .25; transform: translateY(0); }
  50%      { opacity: .7;  transform: translateY(6px); }
}

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

.zx-reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1.1s var(--zx-ease), transform 1.1s var(--zx-ease);
}
.zx-reveal.zx-in { opacity: 1; transform: none; }

/* ---------- header ---------- */

.zx-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px clamp(18px, 4vw, 44px);
  pointer-events: none;
}
.zx-header > * { pointer-events: auto; }

.zx-brand { display: flex; align-items: center; gap: 12px; }
.zx-brand .zx-mark {
  width: 26px; height: 26px; display: block;
  color: var(--zx-accent);
  filter: drop-shadow(0 0 7px rgba(232, 232, 230, .5));
}
.zx-wordmark {
  font: 300 15px/1 var(--zx-sans);
  letter-spacing: .42em; color: #E8E8E6; padding-left: .42em;
}

.zx-header-right {
  display: flex; align-items: center; gap: clamp(14px, 3vw, 30px);
}
.zx-themes { display: flex; align-items: center; gap: 11px; }

.zx-dot {
  width: 13px; height: 13px; padding: 0;
  border-radius: 50%; cursor: pointer;
  opacity: .32; transition: opacity .3s;
}
.zx-dot[aria-pressed="true"] { opacity: 1; }
.zx-dot--clean { border: 1px solid rgba(232, 232, 230, .55); background: #E8E8E6; }
.zx-dot--neon  { border: 1px solid rgba(174, 239, 255, .6); background: #00E5FF; box-shadow: 0 0 8px rgba(0, 229, 255, .7); }
.zx-dot--iri   { border: 1px solid rgba(232, 232, 230, .4);
  background: conic-gradient(from 0deg, #F2C6C6, #F6E7B9, #BEE8D2, #BFD8F2, #D9C6F0, #F2C6C6); }

.zx-bracket {
  font: 300 12.5px/1 var(--zx-mono);
  letter-spacing: .12em; color: var(--zx-t-85);
  border: 1px solid rgba(232, 232, 230, .28);
  padding: 9px 15px; border-radius: 2px;
  background: none; cursor: pointer;
  transition: border-color .3s, color .3s;
  white-space: nowrap;
}
.zx-bracket:hover { border-color: rgba(232, 232, 230, .7); color: #fff; }

/* ---------- shared type ---------- */

.zx-eyebrow {
  font: 300 12px/1 var(--zx-mono);
  letter-spacing: .34em; color: var(--zx-t-50);
  display: flex; gap: 10px; align-items: center;
  margin-bottom: 26px;
}
.zx-eyebrow--center { justify-content: center; }
.zx-eyebrow .zx-star { color: var(--zx-accent); }

.zx-h2 {
  font: 200 clamp(30px, 5.4vw, 58px)/1.04 var(--zx-sans);
  letter-spacing: -.02em; margin: 0 0 22px;
  text-wrap: pretty;
}
.zx-lede {
  font: 300 clamp(16px, 2vw, 19px)/1.6 var(--zx-sans);
  color: var(--zx-t-60); margin: 0;
}

.zx-section {
  position: relative; z-index: 2;
  margin: 0 auto;
  padding: clamp(70px, 10vh, 130px) var(--zx-gut);
}
.zx-section--wide { max-width: 1180px; }
.zx-section--mid  { max-width: 1100px; }
.zx-section--narrow { max-width: 1080px; }
.zx-section--tall { padding-block: clamp(90px, 13vh, 170px); }

.zx-rule { border-top: 1px solid var(--zx-line); padding-top: 64px; }

/* the 1px-gap hairline grid: gaps show the background through */
.zx-hairgrid {
  display: grid; gap: 1px;
  background: var(--zx-line-soft);
  border: 1px solid var(--zx-line-soft);
}
.zx-hairgrid > * { background: var(--zx-black); }

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

.zx-hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center; padding: 0 24px;
}
.zx-hero-eyebrow {
  font: 300 12px/1 var(--zx-mono);
  letter-spacing: .4em; color: var(--zx-t-50);
  display: flex; gap: 12px; align-items: center;
  margin-bottom: 30px; flex-wrap: wrap; justify-content: center;
}
.zx-hero-eyebrow .zx-star { color: var(--zx-accent); }
.zx-hero-eyebrow .zx-sep { color: var(--zx-t-30); }

.zx-h1 {
  font: 100 clamp(52px, 12vw, 132px)/.94 var(--zx-sans);
  letter-spacing: -.03em; margin: 0; color: #E8E8E6;
  text-shadow: 0 0 40px rgba(232, 232, 230, .14);
}
.zx-hero-sub {
  font: 300 clamp(16px, 2.3vw, 21px)/1.5 var(--zx-sans);
  color: var(--zx-t-60); max-width: 34ch;
  margin: 26px 0 0; text-wrap: pretty;
}
.zx-hero-hint {
  margin-top: 40px;
  font: 300 12px/1.6 var(--zx-mono);
  letter-spacing: .16em; color: var(--zx-t-38);
  display: flex; flex-direction: column; align-items: center; gap: 5px;
}
.zx-hero-hint .zx-sep { opacity: .5; }
.zx-cue { font-size: 16px; animation: zxCue 2.4s ease-in-out infinite; }
.zx-hero-caption {
  position: absolute; bottom: 26px; left: 50%;
  transform: translateX(-50%);
  font: 300 11px/1 var(--zx-mono);
  letter-spacing: .14em; color: var(--zx-t-26);
  white-space: nowrap;
}

/* ---------- orbit ring ---------- */

.zx-ring-layer {
  position: fixed; z-index: 35; pointer-events: none;
  left: 0; top: 0; width: 0; height: 0;
}
.zx-ring { position: absolute; width: 0; height: 0; }
.zx-ring-circle {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(232, 232, 230, .16);
  border-radius: 50%;
  animation: zxRingIn .5s var(--zx-ease);
}
.zx-ring-heart {
  position: absolute; left: 50%; top: 50%;
  width: 9px; height: 9px; transform: translate(-50%, -50%);
  color: var(--zx-accent); font-size: 11px; line-height: 1;
  text-align: center; opacity: .6;
}
.zx-ring-star {
  position: absolute; left: 50%; top: 50%;
  width: 56px; height: 56px; margin: -28px 0 0 -28px;
  padding: 0; background: none; border: none;
  cursor: pointer; pointer-events: auto;
}
.zx-ring-star .zx-star-glow {
  position: absolute; inset: 0; border-radius: 50%;
  filter: blur(9px); opacity: .85;
}
.zx-ring-star .zx-star-disc {
  position: relative; width: 100%; height: 100%;
  border-radius: 50%; border: 1px solid rgba(232, 232, 230, .35);
  background: var(--zx-core);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  transition: transform .22s var(--zx-ease), border-color .22s, box-shadow .22s;
}
.zx-ring-star:hover .zx-star-disc,
.zx-ring-star:focus-visible .zx-star-disc {
  transform: scale(1.16);
  border-color: rgba(232, 232, 230, .8);
  box-shadow: 0 0 18px rgba(232, 232, 230, .35);
}
.zx-ring-star img {
  width: 30px; height: 30px;
  filter: drop-shadow(0 0 5px rgba(232, 232, 230, .6));
}
.zx-ring-star .zx-star-label {
  position: absolute; left: 50%; top: calc(100% + 7px);
  transform: translateX(-50%); white-space: nowrap;
  font: 300 11px/1 var(--zx-mono);
  letter-spacing: .08em; color: rgba(232, 232, 230, .7);
}

/* ---------- toast ---------- */

.zx-toast {
  position: fixed; z-index: 50; left: 50%; bottom: 38px;
  transform: translateX(-50%); pointer-events: none;
  font: 300 13px/1 var(--zx-mono);
  letter-spacing: .08em; color: #E8E8E6;
  background: rgba(6, 6, 8, .82);
  border: 1px solid rgba(232, 232, 230, .2);
  padding: 12px 18px; border-radius: 3px;
  backdrop-filter: blur(6px);
  animation: zxFloatUp .4s ease;
  box-shadow: 0 0 30px rgba(0, 0, 0, .6);
  max-width: calc(100vw - 40px); text-align: center;
}

/* ---------- the gesture ---------- */

.zx-steps {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  margin-top: 64px;
}
.zx-step { padding: 38px 30px; }
.zx-step-num {
  font: 300 13px/1 var(--zx-mono);
  color: var(--zx-t-35); margin-bottom: 22px;
}
.zx-step-title {
  font: 300 20px/1.2 var(--zx-sans);
  color: #E8E8E6; margin-bottom: 12px;
}
.zx-step p {
  font: 300 15px/1.6 var(--zx-sans);
  color: var(--zx-t-55); margin: 0;
}
.zx-footnote {
  font: 300 13px/1.6 var(--zx-mono);
  letter-spacing: .04em; color: var(--zx-t-32);
  margin: 26px 0 0;
}

/* ---------- features ---------- */

.zx-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px; margin-top: 56px;
}
.zx-card {
  position: relative;
  border: 1px solid var(--zx-line); border-radius: 4px;
  padding: 30px 28px 34px;
  background: linear-gradient(180deg, rgba(232, 232, 230, .015), transparent);
  overflow: hidden;
  transition: border-color .4s, transform .4s;
}
.zx-card:hover {
  border-color: rgba(232, 232, 230, .28);
  transform: translateY(-3px);
}
.zx-card-icon {
  width: 48px; height: 48px; margin-bottom: 26px; position: relative;
}
.zx-card-icon .zx-glow {
  position: absolute; inset: -10px; border-radius: 50%;
  filter: blur(14px); opacity: .6;
}
.zx-card-icon img {
  position: relative; width: 48px; height: 48px;
  filter: drop-shadow(0 0 6px rgba(232, 232, 230, .55));
}
.zx-card-title {
  font: 300 19px/1.2 var(--zx-sans);
  color: #E8E8E6; margin-bottom: 10px;
}
.zx-card p {
  font: 300 14.5px/1.6 var(--zx-sans);
  color: var(--zx-t-55); margin: 0;
}

/* ---------- comets band ---------- */

.zx-comet-band { padding-block: clamp(50px, 7vh, 90px); }
.zx-comet-panel {
  border: 1px solid var(--zx-line-card); border-radius: 4px;
  padding: clamp(40px, 6vw, 72px);
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 40px; justify-content: space-between;
  background: radial-gradient(120% 140% at 90% 20%, rgba(246, 231, 185, .05), transparent 60%);
}
.zx-comet-copy { max-width: 44ch; }
.zx-comet-copy .zx-eyebrow { margin-bottom: 22px; }
.zx-comet-copy h2 {
  font: 200 clamp(26px, 4vw, 44px)/1.08 var(--zx-sans);
  letter-spacing: -.02em; margin: 0 0 18px;
}
.zx-comet-copy p {
  font: 300 16px/1.6 var(--zx-sans);
  color: var(--zx-t-60); margin: 0;
}
.zx-comet-note {
  font: 300 13px/1.9 var(--zx-mono);
  letter-spacing: .06em; color: var(--zx-t-40);
  border-left: 1px solid rgba(232, 232, 230, .14);
  padding-left: 24px;
}
.zx-comet-note .zx-dim { color: rgba(232, 232, 230, .28); margin-top: 6px; }

/* ---------- privacy ---------- */

.zx-privacy { text-align: center; }
.zx-privacy .zx-eyebrow { justify-content: center; margin-bottom: 34px; }
.zx-nothing {
  font: 100 clamp(72px, 18vw, 200px)/.9 var(--zx-sans);
  letter-spacing: -.04em; margin: 0; color: #E8E8E6;
  text-shadow: 0 0 60px rgba(232, 232, 230, .1);
}
.zx-privacy-lede {
  font: 300 clamp(17px, 2.3vw, 22px)/1.6 var(--zx-sans);
  color: var(--zx-t-66); max-width: 40ch;
  margin: 38px auto 0; text-wrap: pretty;
}
.zx-privacy-grid {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: 70px; text-align: left;
}
.zx-privacy-grid > div { padding: 30px 26px; }
.zx-privacy-grid h3 {
  font: 300 15px/1.3 var(--zx-sans);
  color: #E8E8E6; margin: 0 0 8px;
}
.zx-privacy-grid p {
  font: 300 13.5px/1.55 var(--zx-sans);
  color: var(--zx-t-50); margin: 0;
}

/* ---------- pricing ---------- */

.zx-pricing-head { text-align: center; margin-bottom: 60px; }
.zx-pricing-head .zx-h2 { margin: 0 auto; max-width: 20ch; }
.zx-pricing-head p {
  font: 300 15px/1.6 var(--zx-sans);
  color: var(--zx-t-50); max-width: 52ch; margin: 20px auto 0;
}
.zx-price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}
.zx-price {
  border: 1px solid var(--zx-line-card);
  border-radius: 5px; padding: 38px 32px;
}
.zx-price-label {
  font: 300 14px/1 var(--zx-mono);
  letter-spacing: .14em; color: var(--zx-t-60); margin-bottom: 8px;
}
.zx-price-figure {
  font: 200 clamp(40px, 7vw, 60px)/1 var(--zx-sans);
  color: #E8E8E6; margin: 0 0 26px;
}
.zx-price-list {
  display: flex; flex-direction: column; gap: 12px;
  font: 300 14.5px/1.4 var(--zx-sans);
  color: var(--zx-t-62);
  list-style: none; padding: 0; margin: 0;
}
.zx-price-list li { display: flex; gap: 12px; }
.zx-price-list .zx-star { color: var(--zx-accent); flex: none; }

.zx-price--pro {
  position: relative;
  border-color: rgba(200, 145, 46, .5);
  background: radial-gradient(120% 120% at 80% 0%, rgba(200, 145, 46, .09), transparent 55%);
}
.zx-price--pro .zx-once {
  position: absolute; top: 22px; right: 26px;
  font: 300 11px/1 var(--zx-mono);
  letter-spacing: .2em; color: var(--zx-gold);
}
.zx-price--pro .zx-price-label {
  letter-spacing: .3em; color: var(--zx-gold);
}
.zx-price--pro .zx-price-figure { margin-bottom: 6px; }
.zx-price-sub {
  font: 300 13px/1.4 var(--zx-mono);
  color: rgba(200, 145, 46, .85); margin-bottom: 26px;
}
.zx-price--pro .zx-price-list { color: var(--zx-t-72); }
.zx-price--pro .zx-price-list .zx-star { color: var(--zx-gold); }

.zx-price-footnote {
  font: 300 12.5px/1.6 var(--zx-mono);
  letter-spacing: .04em; color: var(--zx-t-30);
  text-align: center; margin: 30px auto 0; max-width: 56ch;
}

/* ---------- icons ---------- */

.zx-icons-head {
  display: flex; flex-wrap: wrap; gap: 30px;
  align-items: flex-end; justify-content: space-between;
}
.zx-icons-copy { max-width: 34ch; }
.zx-icons-copy .zx-h2 {
  font-size: clamp(30px, 5.4vw, 56px); margin-bottom: 18px;
}
.zx-icons-copy p {
  font: 300 16px/1.6 var(--zx-sans);
  color: var(--zx-t-60); margin: 0;
}
.zx-icons-meta {
  font: 300 12px/1.9 var(--zx-mono);
  letter-spacing: .06em; color: var(--zx-t-40);
}
.zx-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 10px; margin-top: 56px;
  list-style: none; padding: 0;
}
.zx-icon-tile {
  position: relative; aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(232, 232, 230, .07); border-radius: 4px;
  transition: border-color .4s, background .4s;
}
.zx-icon-tile:hover {
  border-color: rgba(232, 232, 230, .3);
  background: rgba(232, 232, 230, .03);
}
.zx-icon-tile::before {
  content: ''; position: absolute; inset: 22%;
  border-radius: 50%; background: rgba(232, 232, 230, .14);
  filter: blur(12px);
}
.zx-icon-tile img {
  position: relative; width: 56%; height: 56%;
  object-fit: contain;
  filter: drop-shadow(0 0 5px rgba(232, 232, 230, .5));
}
.zx-icons-footnote {
  font: 300 11.5px/1.6 var(--zx-mono);
  letter-spacing: .04em; color: var(--zx-t-26); margin: 24px 0 0;
}

/* ---------- accessibility ---------- */

.zx-access .zx-h2 {
  font-size: clamp(28px, 4.6vw, 50px); max-width: 24ch; margin-bottom: 20px;
}
.zx-access-lede {
  font: 300 16px/1.6 var(--zx-sans);
  color: var(--zx-t-60); max-width: 58ch; margin: 0;
}
.zx-access-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 36px 40px; margin-top: 56px;
}
.zx-access-cols h3 {
  font: 300 15px/1.3 var(--zx-sans);
  color: #E8E8E6; margin: 0 0 10px;
}
.zx-access-cols p {
  font: 300 14px/1.6 var(--zx-sans);
  color: var(--zx-t-52); margin: 0;
}

/* ---------- what's next ---------- */

.zx-next-head { text-align: center; }
.zx-next-head .zx-h2 {
  font-size: clamp(26px, 4.4vw, 46px);
  margin: 0 auto 14px; max-width: 20ch;
}
.zx-next-head p {
  font: 300 15px/1.6 var(--zx-sans);
  color: var(--zx-t-50); max-width: 54ch; margin: 0 auto;
}
.zx-pills {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center; margin-top: 48px;
  list-style: none; padding: 0;
}
.zx-pill {
  font: 300 13px/1 var(--zx-mono);
  letter-spacing: .05em; color: var(--zx-t-42);
  border: 1px solid var(--zx-line-card);
  border-radius: 100px; padding: 11px 18px;
}
.zx-pill .zx-star { color: var(--zx-t-30); margin-right: 8px; }

/* ---------- join / footer ---------- */

.zx-footer {
  position: relative; z-index: 2;
  border-top: 1px solid var(--zx-line);
  margin-top: 40px;
}
.zx-join {
  max-width: 1080px; margin: 0 auto;
  padding: clamp(80px, 12vh, 150px) var(--zx-gut) 60px;
  text-align: center;
}
.zx-join .zx-eyebrow { justify-content: center; margin-bottom: 30px; }
.zx-join h2 {
  font: 100 clamp(38px, 8vw, 84px)/.98 var(--zx-sans);
  letter-spacing: -.03em; margin: 0 0 22px;
}
.zx-join-lede {
  font: 300 16px/1.6 var(--zx-sans);
  color: var(--zx-t-55); max-width: 44ch; margin: 0 auto 44px;
}
.zx-form {
  display: flex; flex-wrap: wrap; gap: 10px;
  max-width: 480px; margin: 0 auto; justify-content: center;
}
.zx-form input[type="email"] {
  flex: 1; min-width: 220px;
  background: transparent;
  border: 1px solid rgba(232, 232, 230, .22);
  border-radius: 3px; padding: 15px 16px;
  color: #E8E8E6;
  font: 300 14px/1 var(--zx-mono);
  letter-spacing: .04em; outline: none;
}
.zx-form input[type="email"]::placeholder { color: var(--zx-t-32); }
.zx-form input[type="email"]:focus { border-color: rgba(232, 232, 230, .5); }
.zx-submit {
  background: #E8E8E6; color: #000; border: none; border-radius: 3px;
  padding: 15px 24px;
  font: 400 13px/1 var(--zx-mono);
  letter-spacing: .1em; cursor: pointer;
  transition: background .3s;
}
.zx-submit:hover { background: #fff; }
.zx-submit[disabled] { opacity: .5; cursor: default; }
/* honeypot — never shown, never focusable by sighted or AT users */
.zx-hp {
  position: absolute; left: -9999px;
  width: 1px; height: 1px; overflow: hidden;
}
.zx-confirm {
  font: 300 15px/1.5 var(--zx-mono);
  letter-spacing: .04em; color: var(--zx-accent);
  border: 1px solid rgba(232, 232, 230, .25);
  border-radius: 3px; padding: 20px 26px;
  max-width: 440px; margin: 0 auto;
}
.zx-form-error {
  font: 300 12.5px/1.5 var(--zx-mono);
  letter-spacing: .04em; color: rgba(242, 198, 198, .85);
  margin: 16px auto 0; max-width: 44ch;
}

.zx-footbar { border-top: 1px solid var(--zx-line-soft); }
.zx-footbar-inner {
  max-width: 1080px; margin: 0 auto;
  padding: 34px var(--zx-gut);
  display: flex; flex-wrap: wrap; gap: 20px 40px;
  align-items: center; justify-content: space-between;
  font: 300 12px/1.7 var(--zx-mono);
  letter-spacing: .04em; color: var(--zx-t-40);
}
.zx-footbar-brand { display: flex; align-items: center; gap: 12px; }
.zx-footbar-brand .zx-mark {
  width: 20px; height: 20px; display: block;
  color: rgba(232, 232, 230, .7);
}
.zx-footbar-meta {
  display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center;
}
.zx-footbar-meta .zx-sep { opacity: .4; }

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .zx-reveal { opacity: 1; transform: none; transition: none; }
  .zx-cue { animation: none; }
  .zx-ring-circle, .zx-ring-star { animation: none !important; }
  .zx-toast { animation: none; }
  .zx-card:hover { transform: none; }
}

/* ============================================================
   PROSE — /privacy and any future document page (the manual)
   ============================================================ */

.zx-doc {
  position: relative; z-index: 2;
  max-width: 760px; margin: 0 auto;
  padding: clamp(120px, 18vh, 190px) var(--zx-gut) clamp(70px, 10vh, 120px);
}
.zx-doc h1 {
  font: 200 clamp(34px, 6vw, 60px)/1.05 var(--zx-sans);
  letter-spacing: -.02em; margin: 0 0 14px; text-wrap: pretty;
}
.zx-doc .zx-doc-date {
  font: 300 12px/1 var(--zx-mono);
  letter-spacing: .16em; color: var(--zx-t-40);
  margin: 0 0 52px;
}
.zx-doc h2 {
  font: 300 21px/1.3 var(--zx-sans);
  color: #E8E8E6; margin: 52px 0 16px;
  padding-top: 26px; border-top: 1px solid var(--zx-line-soft);
}
.zx-doc h2:first-of-type { border-top: none; padding-top: 0; }
.zx-doc p, .zx-doc li {
  font: 300 15.5px/1.7 var(--zx-sans);
  color: var(--zx-t-62); margin: 0 0 16px;
}
.zx-doc ul { padding-left: 0; list-style: none; margin: 0 0 16px; }
.zx-doc ul li { display: flex; gap: 13px; }
.zx-doc ul li::before {
  content: '✦'; color: var(--zx-t-35); flex: none; line-height: 1.7;
}
.zx-doc strong { color: #E8E8E6; font-weight: 400; }
.zx-doc .zx-lead {
  font: 300 17.5px/1.65 var(--zx-sans);
  color: var(--zx-t-72); margin-bottom: 30px;
}
.zx-doc-back {
  display: inline-block; margin-top: 60px;
  font: 300 12.5px/1 var(--zx-mono);
  letter-spacing: .12em; color: var(--zx-t-60);
  border: 1px solid rgba(232, 232, 230, .28);
  padding: 11px 16px; border-radius: 2px;
  transition: border-color .3s, color .3s;
}
.zx-doc-back:hover { border-color: rgba(232, 232, 230, .7); color: #fff; }

/* ============================================================
   NARROW SCREENS
   The header runs out of room below ~560px: the wordmark goes,
   and the CTA shortens to "[ join ]" so it never clips.
   ============================================================ */

.zx-bracket-short { display: none; }

@media (max-width: 620px) {
  .zx-wordmark { display: none; }
  .zx-bracket-full { display: none; }
  .zx-bracket-short { display: inline; }
  .zx-header { padding: 16px 16px; }
  .zx-header-right { gap: 10px; }
  .zx-bracket { padding: 9px 11px; }
  /* the theme dots are a flourish; finding the handbook is not */
  .zx-themes { display: none; }
}

@media (max-width: 420px) {
  .zx-hero-eyebrow { font-size: 11px; letter-spacing: .28em; }
  .zx-hero-caption { font-size: 10px; letter-spacing: .1em; }
  .zx-comet-note { border-left: none; padding-left: 0; }
  .zx-form { flex-direction: column; }
  .zx-form input[type="email"], .zx-submit { width: 100%; }
}

/* ---------- footer documentation row ---------- */

.zx-footbar-docs {
  max-width: 1080px; margin: 0 auto;
  padding: 26px var(--zx-gut) 0;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px;
  font: 300 12.5px/1.7 var(--zx-mono);
  letter-spacing: .04em; color: var(--zx-t-50);
}
.zx-docs-label {
  font-size: 11px; letter-spacing: .24em;
  color: var(--zx-t-32); margin-right: 4px;
}
.zx-footbar-docs a { color: var(--zx-t-72); }
.zx-footbar-docs a:hover { color: #fff; }
.zx-footbar-docs .zx-sep { opacity: .35; }