/* phxai.guide
   Dark by design: every plate is a moonlit desert photograph, and the dither maps luminance to dot size, so
   a light ground would invert the imagery. Mostly monochrome (bone on deep indigo); one cool accent, used
   sparingly for state (today, focus, the active filter). */

:root {
  --bg: #090D12;
  --bg-2: #0D131A;
  --surface: #111922;
  --surface-2: #16202B;
  --line: rgba(232, 228, 218, .08);
  --line-2: rgba(232, 228, 218, .14);
  --line-3: rgba(232, 228, 218, .24);
  --fg: #EDEAE3;
  --fg-2: #AEB6BF;
  --fg-3: #737E8A;
  --accent: #8EC5EA;
  --accent-ink: #06121B;
  --ok: #7BC4A8;
  --warn: #E8908A;

  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --wrap: 1200px;
  --nav-h: 60px;
  --r: 8px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); -webkit-text-size-adjust: 100% }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 15px/1.6 var(--sans); letter-spacing: -.005em;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}
a { color: inherit; text-decoration: none }
h1, h2, h3, p { margin: 0 }
ul { margin: 0; padding: 0; list-style: none }
button, input { font: inherit; color: inherit }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap }
.dim { color: var(--fg-3) }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--fg); color: var(--bg); padding: 8px 12px; border-radius: 6px }
.skip:focus { left: 8px }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 16px; border-radius: 6px; border: 1px solid var(--line-2);
  font: 500 14px/1 var(--sans); white-space: nowrap; cursor: pointer;
  background: transparent; color: var(--fg);
  transition: background .15s, border-color .15s, color .15s, opacity .15s;
}
.btn:hover { border-color: var(--line-3); background: rgba(232, 228, 218, .04) }
.btn-primary { background: var(--fg); color: var(--bg); border-color: var(--fg) }
.btn-primary:hover { background: #fff; border-color: #fff }
.btn-primary:disabled { opacity: .6; cursor: default }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px }
.btn-block { width: 100% }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  background: rgba(9, 13, 18, .72); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .2s;
}
.nav.scrolled { border-bottom-color: var(--line) }
.nav-in { height: 100%; display: flex; align-items: center; gap: 28px }
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 600; font-size: 16px; letter-spacing: -.02em }
.brand-mark { width: 18px; height: 18px; color: var(--fg) }
.links { display: flex; gap: 4px; margin-right: auto }
.links a { font-size: 14px; color: var(--fg-2); padding: 6px 10px; border-radius: 6px; transition: color .15s, background .15s }
.links a:hover { color: var(--fg) }
.links a[aria-current="true"] { color: var(--fg); background: rgba(232, 228, 218, .06) }
.search-btn {
  display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 8px 0 10px;
  background: var(--surface); border: 1px solid var(--line-2); border-radius: 6px; cursor: pointer;
  color: var(--fg-3); font-size: 13px; transition: border-color .15s, color .15s;
}
.search-btn:hover { border-color: var(--line-3); color: var(--fg-2) }
.search-btn svg, .searchbar svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round }
kbd { font: 500 11px/1 var(--mono); color: var(--fg-3); border: 1px solid var(--line-2); border-radius: 4px; padding: 3px 5px; margin-left: 14px }

/* ---------- plates (dithered imagery) ---------- */
.plate { position: relative; overflow: hidden; isolation: isolate; background: var(--bg) }
.plate > canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: -2 }
.plate > video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; pointer-events: none; z-index: -3 }
.plate > img.src { display: none }
.plate > .veil { position: absolute; inset: 0; z-index: -1; pointer-events: none }

/* ---------- hero ---------- */
.hero { margin-top: calc(var(--nav-h) * -1); padding-top: var(--nav-h); min-height: min(92vh, 860px); display: flex; align-items: flex-end }
.hero .veil {
  background:
    radial-gradient(70% 70% at 12% 78%, rgba(9, 13, 18, .92) 0%, rgba(9, 13, 18, .6) 45%, rgba(9, 13, 18, 0) 78%),
    linear-gradient(180deg, rgba(9, 13, 18, .75) 0%, rgba(9, 13, 18, 0) 22%, rgba(9, 13, 18, .35) 60%, var(--bg) 100%);
}
.hero-in { width: 100%; padding-top: 96px; padding-bottom: 56px }
.kicker {
  display: inline-flex; align-items: center; gap: 8px; font: 500 12px/1 var(--mono); letter-spacing: .02em;
  color: var(--fg-2); padding: 7px 11px; border: 1px solid var(--line-2); border-radius: 99px;
  background: rgba(9, 13, 18, .6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.hero h1 {
  margin-top: 24px; font-weight: 600; letter-spacing: -.045em; line-height: .98;
  font-size: clamp(42px, 7.2vw, 88px); max-width: 13ch;
}
.lede { margin-top: 20px; font-size: clamp(16px, 1.6vw, 18px); color: var(--fg-2); max-width: 54ch; line-height: 1.55 }

/* ---------- signup ---------- */
.signup input[type=email], .signup input[type=text] {
  width: 100%; min-width: 0; height: 40px; padding: 0 12px; font-size: 14px;
  background: rgba(9, 13, 18, .8); border: 1px solid var(--line-2); border-radius: 6px;
  transition: border-color .15s, box-shadow .15s;
}
.signup input::placeholder { color: var(--fg-3) }
.signup input:hover { border-color: var(--line-3) }
.signup input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(142, 197, 234, .16) }
.signup .hp { position: absolute; left: -9999px }
.signup-msg { min-height: 20px; font: 400 13px/20px var(--sans); color: var(--fg-3) }
.signup-msg.ok { color: var(--ok) }
.signup-msg.err { color: var(--warn) }
.signup-hero { margin-top: 32px; display: grid; grid-template-columns: minmax(0, 300px) auto; gap: 8px; max-width: 520px }
.signup-hero .signup-msg { grid-column: 1 / -1 }
.signup-full { display: grid; gap: 10px }
.field-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--fg-2); cursor: pointer; padding: 4px 0 }
.check input { appearance: none; -webkit-appearance: none; flex: none; width: 16px; height: 16px; margin: 2px 0 0; border: 1px solid var(--line-3); border-radius: 4px; background: var(--bg); cursor: pointer; display: grid; place-content: center }
.check input::after { content: ""; width: 9px; height: 5px; border: solid var(--accent-ink); border-width: 0 0 2px 2px; transform: rotate(-45deg) translate(1px, -1px); opacity: 0 }
.check input:checked { background: var(--accent); border-color: var(--accent) }
.check input:checked::after { opacity: 1 }

/* ---------- stats ---------- */
.stats { margin: 48px 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: 720px; border-top: 1px solid var(--line-2) }
.stats div { padding: 16px 16px 0 0 }
.stats div + div { padding-left: 16px; border-left: 1px solid var(--line) }
.stats dt { font: 400 12px/1.3 var(--sans); color: var(--fg-3) }
.stats dd { margin: 6px 0 0; font: 600 28px/1 var(--sans); letter-spacing: -.03em; font-variant-numeric: tabular-nums }

/* ---------- search ---------- */
.searchbar { position: sticky; top: var(--nav-h); z-index: 40; background: rgba(13, 19, 26, .92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line-2) }
.searchbar-in { display: flex; align-items: center; gap: 12px; height: 56px; color: var(--fg-3) }
.searchbar input { flex: 1; min-width: 0; height: 100%; background: none; border: 0; font-size: 16px; color: var(--fg) }
.searchbar input:focus { outline: none }
.searchbar input::placeholder { color: var(--fg-3) }
.searchbar input::-webkit-search-cancel-button { display: none }
.search-count { font: 400 12px var(--mono); white-space: nowrap }
.search-close { font: 500 11px var(--mono); color: var(--fg-3); background: none; border: 1px solid var(--line-2); border-radius: 4px; padding: 4px 6px; cursor: pointer }

/* ---------- sections ---------- */
.sec { padding: 96px 0 0 }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-bottom: 20px; border-bottom: 1px solid var(--line) }
.eyebrow { font: 500 12px/1 var(--mono); color: var(--fg-3); letter-spacing: .02em }
.sec h2, .news h2 { margin-top: 12px; font-weight: 600; font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -.035em; line-height: 1.05 }
.empty { padding: 48px 0; color: var(--fg-3); text-align: center; font-size: 14px }
.more { margin-top: 20px }

/* segmented filter */
.seg { display: inline-flex; flex-wrap: wrap; gap: 2px; padding: 3px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px }
.seg button {
  display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border: 0; border-radius: 5px;
  background: none; font-size: 13px; color: var(--fg-3); cursor: pointer; transition: color .15s, background .15s;
}
.seg button:hover { color: var(--fg) }
.seg button[aria-pressed="true"] { background: var(--surface-2); color: var(--fg); box-shadow: 0 0 0 1px var(--line-2) inset }
.seg button b { font: 400 11px var(--mono); color: var(--fg-3) }
.seg button[disabled] { opacity: .4; cursor: default }

/* ---------- events ---------- */
.day { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line) }
.day-date { position: sticky; top: calc(var(--nav-h) + 20px); align-self: start }
.day-date .dow { font: 500 12px/1 var(--mono); color: var(--fg-3); text-transform: uppercase; letter-spacing: .04em }
.day-date .dnum { margin-top: 6px; font: 600 30px/1 var(--sans); letter-spacing: -.03em; font-variant-numeric: tabular-nums }
.day-date .rel { margin-top: 8px; font-size: 12px; color: var(--fg-3) }
.day-date .rel.today { color: var(--accent) }
.ev { display: grid; grid-template-columns: 76px minmax(0, 1fr) auto; gap: 20px; align-items: baseline; padding: 14px 16px; margin: 0 -16px; border-radius: var(--r); transition: background .15s }
.ev + .ev { margin-top: 2px }
.ev:hover { background: var(--surface) }
.ev .time { font: 400 13px/1.5 var(--mono); color: var(--fg-2); font-variant-numeric: tabular-nums }
.ev h3 { font-size: 16px; font-weight: 600; letter-spacing: -.015em; line-height: 1.35 }
.ev h3 a::after { content: ""; position: absolute; inset: 0 }
.ev { position: relative }
.ev .by { margin-top: 3px; font-size: 13px; color: var(--fg-3) }
.ev .desc { margin-top: 8px; font-size: 14px; color: var(--fg-2); line-height: 1.55; max-width: 70ch; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden }
.arrow { width: 16px; height: 16px; fill: none; stroke: var(--fg-3); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s var(--ease), stroke .15s; align-self: center }
.ev:hover .arrow, .job:hover .arrow, .tile:hover .arrow { stroke: var(--fg); transform: translate(2px, -2px) }

/* ---------- jobs ---------- */
.job { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 180px 140px 16px; gap: 24px; align-items: center; padding: 18px 16px; margin: 0 -16px; border-bottom: 1px solid var(--line); transition: background .15s }
.job:hover { background: var(--surface) }
.job h3 { font-size: 15px; font-weight: 600; letter-spacing: -.01em; line-height: 1.35 }
.job h3 a::after { content: ""; position: absolute; inset: 0 }
.job .co { margin-top: 3px; font-size: 13px; color: var(--fg-3) }
.job .where, .job .pay { font: 400 13px/1.4 var(--mono); color: var(--fg-2) }
.job .pay { text-align: right }
.tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px }
.tag { font: 400 11px/1 var(--mono); padding: 4px 7px; border-radius: 4px; background: var(--surface-2); color: var(--fg-3) }
.tag.hot { color: var(--warn); background: rgba(232, 144, 138, .1) }
.tag.ok { color: var(--ok); background: rgba(123, 196, 168, .1) }

/* ---------- community tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding-top: 24px }
.tile { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 20px; border: 1px solid var(--line); border-radius: var(--r); background: var(--bg-2); transition: border-color .15s, background .15s }
.tile:hover { border-color: var(--line-3); background: var(--surface) }
.tile-top { display: flex; justify-content: space-between; align-items: center }
.tile .plat { font: 500 11px/1 var(--mono); color: var(--fg-3); text-transform: uppercase; letter-spacing: .06em }
.tile h3 { font-size: 16px; font-weight: 600; letter-spacing: -.015em; line-height: 1.3 }
.tile h3 a::after { content: ""; position: absolute; inset: 0 }
.tile p { font-size: 14px; color: var(--fg-2); line-height: 1.55 }

/* ---------- resources ---------- */
.res { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px }
.res-group { padding-top: 28px; break-inside: avoid }
.res-group h3 { font: 500 12px/1 var(--mono); color: var(--fg-3); letter-spacing: .02em; padding-bottom: 12px; border-bottom: 1px solid var(--line) }
.res-item { position: relative; display: block; padding: 14px 0; border-bottom: 1px solid var(--line) }
.res-item .t { font-size: 15px; font-weight: 500; letter-spacing: -.01em; transition: color .15s }
.res-item .t span { color: var(--fg-3); font-weight: 400 }
.res-item p { margin-top: 4px; font-size: 13.5px; color: var(--fg-3); line-height: 1.5 }
.res-item:hover .t { color: #fff }
.res-item:hover .t::after { content: " ↗"; color: var(--fg-3) }

/* ---------- band + newsletter ---------- */
.band { height: clamp(220px, 32vw, 380px); margin-top: 96px }
.band .veil { background: linear-gradient(180deg, var(--bg) 0%, rgba(9, 13, 18, .1) 30%, rgba(9, 13, 18, .1) 70%, var(--bg) 100%) }
.news { margin-top: 96px; padding: 120px 0 }
.news .veil { background: linear-gradient(180deg, var(--bg) 0%, rgba(9, 13, 18, .72) 30%, rgba(9, 13, 18, .82) 100%) }
.news-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 420px); gap: 64px; align-items: center }
.news .signup-full { padding: 24px; background: rgba(13, 19, 26, .88); border: 1px solid var(--line-2); border-radius: 12px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px) }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); background: var(--bg) }
.foot-in { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-top: 56px; padding-bottom: 40px }
.foot-brand p { margin-top: 14px; font-size: 14px; color: var(--fg-3); max-width: 38ch; line-height: 1.55 }
.foot h3 { font: 500 12px/1 var(--mono); color: var(--fg-3); margin-bottom: 14px }
.foot li + li { margin-top: 10px }
.foot li a { font-size: 14px; color: var(--fg-2); transition: color .15s }
.foot li a:hover { color: var(--fg) }
.foot-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 40px; border-top: 1px solid var(--line); font: 400 12px var(--mono); color: var(--fg-3) }

/* ---------- blog ---------- */
.page main { min-height: 70vh }
.page .nav .btn { margin-left: auto }
.page .links { margin-right: 0 }
.blog, .post { padding-top: 72px; padding-bottom: 96px }
.post { max-width: 760px }
.back { display: inline-block; font-size: 13px; color: var(--fg-3); margin-bottom: 32px; transition: color .15s }
.back:hover { color: var(--fg) }
.post-head h1 { margin-top: 14px; font-weight: 600; font-size: clamp(34px, 5vw, 52px); letter-spacing: -.04em; line-height: 1.04 }
.post-lede { margin-top: 16px; font-size: 18px; color: var(--fg-2); line-height: 1.55; max-width: 60ch }
.byline { display: flex; align-items: center; gap: 12px; margin-top: 28px }
.avatar { flex: none; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--line-2); font: 500 13px var(--mono); color: var(--fg-2) }
.byname { font-weight: 600; font-size: 14px }
a.byname:hover { text-decoration: underline; text-underline-offset: 3px }
.byroles { font-size: 13px; color: var(--fg-3) }
.prose { margin-top: 40px; padding-top: 40px; border-top: 1px solid var(--line); font-size: 17px; line-height: 1.75; color: #D7D3CB }
.prose > * + * { margin-top: 20px }
.prose h2 { margin-top: 44px; font-size: 24px; font-weight: 600; letter-spacing: -.025em; line-height: 1.25; color: var(--fg) }
.prose h3 { margin-top: 32px; font-size: 19px; font-weight: 600; color: var(--fg) }
.prose strong { color: var(--fg); font-weight: 600 }
.prose a { color: var(--fg); text-decoration: underline; text-decoration-color: var(--line-3); text-underline-offset: 3px; transition: text-decoration-color .15s }
.prose a:hover { text-decoration-color: var(--accent) }
.prose ul { padding-left: 20px; list-style: disc }
.prose li + li { margin-top: 8px }
.prose li::marker { color: var(--fg-3) }
.author-card { margin-top: 56px; padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2) }
.author-card .byline { margin-top: 0 }
.author-card p { margin-top: 14px; font-size: 15px; color: var(--fg-2); line-height: 1.6 }
.post-cta { margin-top: 24px; padding: 28px 24px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--surface) }
.post-cta h2 { font-size: 22px; font-weight: 600; letter-spacing: -.02em }
.post-cta p { margin: 6px 0 18px; color: var(--fg-2); font-size: 15px }
.post-list { margin-top: 40px; border-top: 1px solid var(--line) }
.post-row { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line) }
.post-date { font: 400 13px/1.6 var(--mono); color: var(--fg-3) }
.post-title { display: block; font-size: 19px; font-weight: 600; letter-spacing: -.02em; transition: color .15s }
.post-desc { display: block; margin-top: 6px; color: var(--fg-2); font-size: 15px; line-height: 1.55 }
.post-row:hover .post-title { color: #fff; text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--line-3) }
@media (max-width: 640px) {
  .post-row { grid-template-columns: 1fr; gap: 6px }
  .prose { font-size: 16px }
  .blog, .post { padding-top: 48px }
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(8px); transition: opacity .6s var(--ease), transform .6s var(--ease) }
  .reveal.in { opacity: 1; transform: none }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto }
  *, *::before, *::after { transition: none !important; animation: none !important }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .links { display: none }
  .nav-in { gap: 12px }
  .search-btn { margin-left: auto }
  .job { grid-template-columns: minmax(0, 1fr) 16px; gap: 6px 16px }
  .job .where, .job .pay { grid-column: 1; text-align: left }
  .job .arrow { grid-row: 1; grid-column: 2 }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)) }
  .news-in { grid-template-columns: 1fr; gap: 32px }
  .foot-in { grid-template-columns: 1fr 1fr }
  .foot-brand { grid-column: 1 / -1 }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px }
  .search-label, .search-btn kbd { display: none }
  .search-btn { padding: 0 9px }
  .hero { min-height: 88vh }
  .hero-in { padding-bottom: 36px }
  .signup-hero { grid-template-columns: 1fr }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 36px }
  .stats div:nth-child(3) { padding-left: 0; border-left: 0 }
  .stats div:nth-child(n+3) { border-top: 1px solid var(--line); margin-top: 16px }
  .sec { padding-top: 72px }
  .day { grid-template-columns: 1fr; gap: 8px; padding: 20px 0 }
  .day-date { position: static; display: flex; align-items: baseline; gap: 10px }
  .day-date .dnum { font-size: 20px; margin: 0 }
  .day-date .rel { margin: 0 }
  .ev { grid-template-columns: minmax(0, 1fr) 16px; gap: 4px 12px; padding: 12px; margin: 0 -12px }
  .ev .time { grid-column: 1 }
  .ev .arrow { grid-row: 1 / 3; grid-column: 2 }
  .tiles { grid-template-columns: 1fr }
  .res { grid-template-columns: 1fr }
  .field-row.two { grid-template-columns: 1fr }
  .news { padding: 80px 0 }
  .news .signup-full { padding: 18px }
  .band { margin-top: 72px }
}