/* NULLSPARK site. One stylesheet, no build step.
   Layout idea: a loud angled poster at the top of each page, quieter
   offset columns and margin notes underneath. Dark by design. */

@font-face { font-family: "Tektur"; src: url("../fonts/Tektur.woff") format("woff"); font-weight: 400 900; font-stretch: 75% 100%; font-display: swap; }
@font-face { font-family: "Chakra Petch"; src: url("../fonts/ChakraPetch-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Chakra Petch"; src: url("../fonts/ChakraPetch-SemiBold.woff") format("woff"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Chakra Petch"; src: url("../fonts/ChakraPetch-Bold.woff") format("woff"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Share Tech Mono"; src: url("../fonts/ShareTechMono-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }

:root {
  color-scheme: dark;
  --void: #0c0b12;
  --panel: #15131e;
  --panel-2: #1c1928;
  --line: #2c2839;
  --text: #f4f1fb;
  --soft: #c9c4d8;
  --dim: #8f8aa3;
  --yellow: #f2e40c;
  --magenta: #ff2e88;
  --cyan: #19e3f0;
  --display: "Tektur", "Arial Narrow", "Impact", sans-serif;
  --body: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
  --mono: "Share Tech Mono", ui-monospace, "Consolas", monospace;
  --cut: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  --gutter: max(20px, env(safe-area-inset-left, 0px));
  --gutter-r: max(20px, env(safe-area-inset-right, 0px));
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--void);
  color: var(--text);
  font: 17px/1.6 var(--body);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-underline-offset: 3px; }
a:hover { color: var(--yellow); }
:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; }
::selection { background: var(--magenta); color: var(--void); }
h1, h2, h3 { text-wrap: balance; line-height: 1.05; margin: 0; }
p { margin: 0; }
code, kbd { font-family: var(--mono); font-size: .92em; }
.mono { font-family: var(--mono); }
.wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter-r); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--yellow); color: var(--void); padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }

/* faint scanlines over everything, off for reduced motion users too (it's static anyway) */
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 40;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.022) 0 1px, transparent 1px 3px);
}

/* ---------- header ---------- */
.site-head { position: relative; z-index: 5; }
.site-head .wrap { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 14px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 800 19px/1 var(--display); letter-spacing: .03em; }
.brand svg { width: 30px; height: 30px; flex: none; }
.brand:hover { color: var(--text); }
.nav { display: flex; gap: 4px 20px; flex-wrap: wrap; margin-left: auto; font: 14px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.nav a { color: var(--soft); text-decoration: none; padding: 8px 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--yellow); }
.nav a.nav-dl { color: var(--yellow); }
.on-slab .brand, .on-slab .brand:hover { color: var(--void); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 14px; min-height: 48px;
  padding: 16px 26px; text-decoration: none; cursor: pointer; border: 0;
  font: 800 19px/1.1 var(--display); letter-spacing: .03em; text-transform: uppercase;
  clip-path: polygon(0 0, 94% 0, 100% 30%, 100% 100%, 6% 100%, 0 70%);
}
.btn small { font: 13px/1 var(--mono); text-transform: none; letter-spacing: .02em; }
.btn-dark { background: var(--void); color: var(--yellow); }
.btn-dark small { color: var(--soft); }
.btn-dark:hover { color: var(--void); background: var(--magenta); }
.btn-dark:hover small { color: var(--void); }
.btn-yellow { background: var(--yellow); color: var(--void); }
.btn-yellow small { color: #3b3700; }
.btn-yellow:hover { background: var(--cyan); color: var(--void); }
.btn[aria-disabled="true"] { opacity: .55; pointer-events: none; }
.linkish { font: 14px/1.4 var(--mono); color: inherit; }

/* ---------- home hero (the poster) ---------- */
.hero { position: relative; min-height: 760px; overflow: hidden; margin-top: -76px; padding-top: 76px; }
.hero::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 54%;
  background: var(--yellow); clip-path: polygon(0 0, 100% 0, 80% 100%, 0 100%);
}
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); column-gap: 24px; }
.hero-text { color: var(--void); padding: 18px 0 64px; display: flex; flex-direction: column; gap: 28px; }
.hero h1 {
  position: relative; z-index: 3;
  font: 900 clamp(88px, 12.5vw, 176px)/.8 var(--display); font-stretch: 75%;
  letter-spacing: -.02em; text-transform: uppercase; color: var(--void);
}
.hero h1 span { display: block; color: var(--magenta); margin-left: .55em; }
.hero-lede { max-width: 25ch; font-size: 20px; line-height: 1.45; font-weight: 600; }
.hero-cta { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.hero-cta .linkish { color: var(--void); }
.hero-cta .dl-note { font: 13.5px/1.45 var(--mono); max-width: 40ch; }
.hero-shot { position: relative; align-self: start; margin-top: 70px; }
.hero-shot .frame { transform: rotate(-2.5deg); border: 2px solid var(--cyan); background: var(--panel); box-shadow: 16px 16px 0 rgba(255, 46, 136, .85); }
.tape {
  position: absolute; z-index: 2; padding: 6px 14px; background: var(--magenta); color: var(--void);
  font: 14px/1.2 var(--mono); transform: rotate(4deg); white-space: nowrap;
}
.hero-shot .tape { right: 6%; top: -18px; }
.hero-quote { display: flex; gap: 16px; margin: 54px 0 0 48px; max-width: 470px; color: var(--soft); font-size: 16px; line-height: 1.55; }
.hero-quote .q { font: 900 56px/.75 var(--display); color: var(--cyan); }
.hero-quote cite { display: block; margin-top: 8px; font: normal 12.5px/1.4 var(--mono); color: var(--dim); }

/* ---------- inner page poster ---------- */
.page-head { position: relative; margin-top: -76px; padding: 130px 0 56px; overflow: hidden; }
.page-head::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: min(760px, 78%);
  background: var(--yellow); clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
}
.page-head .wrap { position: relative; color: var(--void); }
.page-head h1 { font: 900 clamp(60px, 10vw, 128px)/.85 var(--display); font-stretch: 75%; text-transform: uppercase; letter-spacing: -.01em; }
.page-head p { margin-top: 18px; max-width: 46ch; font-size: 19px; font-weight: 600; }
.page-head .tape { right: max(20px, 8%); top: 120px; }
.page-head.magenta::before { background: var(--magenta); }

/* ---------- sections ---------- */
section { position: relative; }
.eyebrow { font: 13px/1.3 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); }
.h2 { font: 800 clamp(34px, 5vw, 56px)/1 var(--display); font-stretch: 85%; text-transform: uppercase; letter-spacing: .005em; }
.prose { max-width: 64ch; display: flex; flex-direction: column; gap: 16px; color: var(--soft); }
.prose strong { color: var(--text); }
.prose h2, .prose h3 { color: var(--text); }
.prose h3 { font: 700 22px/1.2 var(--body); margin-top: 14px; }
.prose ul, .prose ol { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 8px; }

/* split: narrow sticky label column + content */
.split { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 32px 56px; padding: 96px 0; }
.split.reverse { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.split > .side { display: flex; flex-direction: column; gap: 14px; }
.split > .side .h2 { margin-top: 2px; }

/* feature sentences: label on the left in mono, sentence on the right */
.facts { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.facts > div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.facts dt { font: 13.5px/1.5 var(--mono); letter-spacing: .06em; color: var(--yellow); text-transform: uppercase; padding-top: 3px; }
.facts dd { margin: 0; color: var(--soft); }
.facts dd strong { color: var(--text); }
.facts { margin: 0; }

/* margin note */
.note {
  position: relative; padding: 14px 16px 14px 18px; background: var(--panel-2); border-left: 3px solid var(--cyan);
  font-size: 15px; line-height: 1.55; color: var(--soft); transform: rotate(-1deg); max-width: 340px;
}
.note b { display: block; font: 12px/1.4 var(--mono); letter-spacing: .1em; color: var(--cyan); text-transform: uppercase; margin-bottom: 4px; font-weight: 400; }
.note.mag { border-left-color: var(--magenta); transform: rotate(.8deg); }
.note.mag b { color: var(--magenta); }
.note.yel { border-left-color: var(--yellow); }
.note.yel b { color: var(--yellow); }

/* screenshots */
.frame { position: relative; background: var(--panel); border: 1px solid var(--line); }
.frame img { width: 100%; aspect-ratio: 1224 / 761; object-fit: cover; }
figure { margin: 0; }
figcaption { margin-top: 12px; font: 13.5px/1.5 var(--mono); color: var(--dim); max-width: 52ch; }
figcaption b { color: var(--soft); font-weight: 400; }
.showcase { padding: 40px 0 120px; }
.showcase .h2 { margin: 10px 0 46px; max-width: 14ch; }
.shots { position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 0 24px; }
.shot-a { grid-column: 1 / span 8; }
.shot-b { grid-column: 7 / span 6; margin-top: -120px; z-index: 2; }
.shot-b .frame { border-color: var(--yellow); box-shadow: -12px 12px 0 var(--void), -12px 12px 0 1px var(--yellow); }
.shot-c { grid-column: 2 / span 5; margin-top: 72px; }
.shot-c .frame { transform: rotate(1.4deg); border-color: var(--magenta); }
.shot-d { grid-column: 8 / span 5; margin-top: 70px; }
.shot-note { grid-column: 1 / span 5; margin-top: 40px; align-self: start; }

/* what's new */
.news { background: var(--panel); clip-path: polygon(0 40px, 40px 0, 100% 0, 100% 100%, 0 100%); padding: 64px 0 72px; }
.news-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 40px 64px; align-items: start; }
.rel-line { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; margin: 12px 0 22px; }
.rel-line .v { font: 900 64px/.9 var(--display); color: var(--yellow); }
.rel-line .d { font: 14px/1.4 var(--mono); color: var(--dim); }
.ticks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.ticks li { position: relative; padding-left: 26px; color: var(--soft); }
.ticks li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 12px; height: 2px; background: var(--magenta); }

/* won't do */
.nope { padding: 110px 0 100px; }
.nope-list { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 12px; max-width: 900px; }
.nope-list li { border: 1px solid var(--line); padding: 10px 16px 10px 14px; font: 15px/1.3 var(--mono); color: var(--soft); clip-path: var(--cut); }
.nope-list li::before { content: "× "; color: var(--magenta); }

/* ---------- download page ---------- */
.dl-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 48px 56px; padding: 72px 0 40px; align-items: start; }
.release { background: var(--panel); border: 1px solid var(--line); padding: 34px 34px 30px; clip-path: var(--cut); display: flex; flex-direction: column; gap: 24px; }
.release h2 { font: 800 30px/1 var(--display); text-transform: uppercase; display: flex; align-items: center; gap: 12px; }
.release h2 svg { width: 26px; height: 26px; }
.kv { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 10px 18px; margin: 0; font-size: 15.5px; }
.kv dt { font: 13px/1.6 var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .06em; }
.kv dd { margin: 0; color: var(--text); min-width: 0; }
.hash { display: flex; align-items: flex-start; gap: 10px; flex-wrap: wrap; }
.hash code { word-break: break-all; color: var(--cyan); font-size: 13.5px; line-height: 1.5; flex: 1 1 260px; }
.copy { font: 12.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; background: transparent; color: var(--soft); border: 1px solid var(--line); padding: 9px 12px; cursor: pointer; min-height: 36px; }
.copy:hover { color: var(--yellow); border-color: var(--yellow); }
.others { display: flex; flex-direction: column; gap: 14px; }
.other { border: 1px dashed var(--line); padding: 18px 20px; color: var(--dim); }
.other b { display: block; color: var(--soft); font: 700 18px/1.2 var(--body); margin-bottom: 4px; }
.rel-warn { display: none; border-left: 3px solid var(--magenta); background: rgba(255, 46, 136, .08); padding: 12px 14px; font-size: 15px; color: var(--soft); }
.rel-warn.show { display: block; }
.smartscreen { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 32px 56px; padding: 56px 0 96px; align-items: start; }
.fake-win {
  background: #0d47a1; color: #fff; padding: 26px 26px 20px; font-family: "Segoe UI", system-ui, sans-serif; font-size: 15px; line-height: 1.45;
  max-width: 460px; transform: rotate(-1.5deg); box-shadow: 12px 12px 0 var(--panel-2);
}
.fake-win .t { font-size: 24px; font-weight: 300; margin-bottom: 10px; }
.fake-win .row { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; }
.fake-win u { text-decoration: underline; }
.fake-win .b { border: 1px solid #fff; padding: 5px 16px; }
.fake-win .hl { outline: 2px dashed var(--yellow); outline-offset: 3px; }

/* ---------- features page ---------- */
.feat { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px 64px; padding: 90px 0; border-bottom: 1px solid var(--line); align-items: start; }
.feat:nth-of-type(even) { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.feat:nth-of-type(even) > .copy-col { order: 2; }
.feat .num { font: 13px/1 var(--mono); color: var(--magenta); letter-spacing: .14em; }
.feat h2 { font: 800 clamp(32px, 4.4vw, 50px)/1 var(--display); font-stretch: 85%; text-transform: uppercase; margin: 12px 0 18px; }
.copy-col { display: flex; flex-direction: column; gap: 14px; color: var(--soft); }
.table-box { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15.5px; }
th, td { text-align: left; padding: 11px 14px 11px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font: 12.5px/1.4 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--dim); font-weight: 400; }
td:first-child { color: var(--text); white-space: nowrap; }
td { color: var(--soft); }

/* ---------- changelog ---------- */
.log { padding: 70px 0 110px; display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 40px 64px; align-items: start; }
.entry { display: grid; grid-template-columns: 140px minmax(0, 1fr); gap: 8px 28px; padding: 34px 0; border-top: 1px solid var(--line); }
.entry:first-child { border-top: 0; padding-top: 0; }
.entry .when { font: 13.5px/1.5 var(--mono); color: var(--dim); }
.entry .when b { display: block; font: 900 34px/1 var(--display); color: var(--yellow); margin-bottom: 6px; }
.entry h2 { font: 700 23px/1.25 var(--body); margin-bottom: 12px; color: var(--text); }
.entry .prose { gap: 12px; }
.aside-stack { display: flex; flex-direction: column; gap: 26px; position: sticky; top: 24px; }

/* ---------- faq ---------- */
.faq { padding: 70px 0 110px; display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: 40px 64px; align-items: start; }
.qa { border-top: 1px solid var(--line); }
.qa details { border-bottom: 1px solid var(--line); }
.qa summary {
  cursor: pointer; list-style: none; padding: 22px 44px 22px 0; position: relative;
  font: 700 21px/1.3 var(--body); color: var(--text);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; position: absolute; right: 6px; top: 18px; font: 400 28px/1 var(--mono); color: var(--yellow); }
.qa details[open] summary::after { content: "−"; color: var(--magenta); }
.qa summary:hover { color: var(--yellow); }
.qa .prose { padding: 0 0 24px; }

/* ---------- legal ---------- */
.legal { padding: 70px 0 110px; display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px 64px; align-items: start; }
.toc { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 10px; font: 14px/1.4 var(--mono); }
.toc a { color: var(--soft); text-decoration: none; }
.toc a:hover { color: var(--yellow); }
.legal section { padding-bottom: 46px; margin-bottom: 46px; border-bottom: 1px solid var(--line); }
.legal h2 { font: 800 34px/1 var(--display); text-transform: uppercase; color: var(--text); margin-bottom: 18px; }
.disclaimer { font: 800 clamp(22px, 3vw, 30px)/1.15 var(--display); color: var(--yellow); text-transform: uppercase; letter-spacing: .01em; }

/* ---------- 404 ---------- */
.lost { min-height: 80vh; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: 40px 56px; align-items: center; padding: 40px 0 80px; }
.big404 { font: 900 clamp(150px, 26vw, 320px)/.8 var(--display); font-stretch: 75%; color: var(--yellow); position: relative; }
.big404 span { color: var(--magenta); }
.term { background: #08070c; border: 1px solid var(--line); padding: 20px 22px; font: 14.5px/1.75 var(--mono); color: #9b96ad; white-space: pre-wrap; overflow-x: auto; }
.term .ok { color: var(--cyan); } .term .bad { color: var(--magenta); } .term .y { color: var(--yellow); }

/* ---------- footer ---------- */
.site-foot { border-top: 1px solid var(--line); padding: 46px 0 40px; color: var(--dim); font-size: 14.5px; }
.foot-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 3fr) minmax(0, 4fr); gap: 32px 48px; }
.foot-grid nav { display: flex; flex-direction: column; gap: 8px; font: 14px/1.4 var(--mono); }
.foot-grid nav a { color: var(--soft); text-decoration: none; }
.foot-grid nav a:hover { color: var(--yellow); }
.official { font: 700 13.5px/1.5 var(--mono); color: var(--soft); letter-spacing: .02em; }
.boot { font: 12.5px/1.7 var(--mono); color: #6b6680; white-space: pre; overflow: hidden; }
.boot .ok { color: var(--cyan); }

/* placeholder marker: easy to spot, easy to search for */
.ph { background: rgba(242, 228, 12, .14); outline: 1px dashed var(--yellow); color: var(--yellow); padding: 0 4px; font-family: var(--mono); font-size: .9em; }

/* easter egg */
.glitch-on main { animation: shake .35s steps(2) 3; }
.glitch-on img { filter: hue-rotate(160deg) saturate(1.6); }
@keyframes shake { 0% { transform: translate(0); } 50% { transform: translate(-3px, 2px) skewX(-1deg); } 100% { transform: translate(2px, -1px); } }
.egg-toast {
  position: fixed; right: max(16px, env(safe-area-inset-right, 0px)); bottom: max(16px, env(safe-area-inset-bottom, 0px)); z-index: 60;
  background: var(--magenta); color: var(--void); padding: 12px 16px; font: 14px/1.4 var(--mono); max-width: 320px;
}
@media (prefers-reduced-motion: reduce) { .glitch-on main { animation: none; } }

/* ---------- smaller screens ---------- */
@media (max-width: 960px) {
  .hero { min-height: 0; }
  .hero::before { width: 100%; bottom: auto; height: 640px; clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%); }
  .hero .wrap { grid-template-columns: minmax(0, 1fr); }
  .hero-text { padding-bottom: 40px; }
  .hero-shot { margin-top: 30px; }
  .hero-shot .frame { transform: none; }
  .hero-quote { margin: 40px 0 56px; }
  .split, .split.reverse, .news-grid, .dl-grid, .smartscreen, .feat, .feat:nth-of-type(even), .log, .faq, .legal, .lost, .foot-grid { grid-template-columns: minmax(0, 1fr); }
  .feat:nth-of-type(even) > .copy-col { order: 0; }
  .split { padding: 70px 0; }
  .shots { display: flex; flex-direction: column; gap: 36px; }
  .shot-b, .shot-c, .shot-d, .shot-note { margin-top: 0; }
  .shot-c .frame { transform: none; }
  .aside-stack, .toc { position: static; }
  .toc { flex-direction: row; flex-wrap: wrap; gap: 8px 18px; }
  .page-head::before { width: 100%; clip-path: polygon(0 0, 100% 0, 100% 82%, 0 100%); }
  .page-head .tape { display: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .hero::before { height: 620px; }
  .hero-lede { font-size: 18px; }
  .btn { padding: 15px 20px; font-size: 17px; }
  .facts > div { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .entry { grid-template-columns: minmax(0, 1fr); }
  .kv { grid-template-columns: minmax(0, 1fr); gap: 2px 0; }
  .kv dd { margin-bottom: 10px; }
  .release { padding: 24px 20px; }
  .nav { margin-left: 0; width: 100%; gap: 4px 16px; }
  .note { transform: none; }
}

/* on phones the menu wraps onto the yellow block: dark text there */
@media (max-width: 960px) {
  .site-head.on-slab { background: var(--yellow); }
  .hero, .page-head { margin-top: 0; }
  .hero { padding-top: 0; }
  .page-head { padding-top: 24px; }
  .on-slab .nav a, .on-slab .nav a.nav-dl { color: var(--void); }
  .on-slab .nav a[aria-current="page"] { color: var(--magenta); }
}
@media (max-width: 600px) {
  .fake-win { transform: none; box-shadow: none; }
}