/* Lunargates, space theme (2026-10-27): a mission-control board for a blog. Deep-space panels on a dark field,
   hairline grid, mono read-outs (clock, moon phase, log numbers, dates); the old site's cyan and violet as the two
   signal colours. Layout: console bar -> intro hero -> aim -> topics -> latest posts -> sign-up -> footer. Single dark look by choice. */
:root {
  --void: #0b0f22;          /* page */
  --panel: #141a38;         /* raised surfaces */
  --panel-2: #1b2350;       /* hover / inset */
  --line: #333d70;          /* hairlines */
  --ink: #f2f4ff;           /* main text */
  --ink-2: #dce2fa;         /* article text */
  --muted: #a9b2d8;         /* secondary text */
  --signal: #6ccbff;        /* cyan: links, live read-outs */
  --violet: #a557ff;        /* second signal */
  --ice: #d7f3ff;
  --display: "Chakra Petch", "Segoe UI", system-ui, sans-serif;
  --text: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --wrap: 1180px;
  --r: 10px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--void); color: var(--ink); font: 400 16px/1.6 var(--text); }
body::before {                                   /* faint board grid behind everything */
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; opacity: .3;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 75%);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.12; margin: 0; letter-spacing: .005em; text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--violet); color: #fff; }

.wrap {
  max-width: calc(var(--wrap) + 32px); margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.label { font: 500 12px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.label b { color: var(--signal); font-weight: 500; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.section { padding-block: clamp(48px, 7vw, 88px); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 34px); }

/* console bar */
.console { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: rgba(11, 15, 34, .86);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.console .wrap { display: flex; align-items: center; gap: 24px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 600 17px/1 var(--display); letter-spacing: .18em; }
.brand svg { width: 34px; height: 34px; flex: none; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { font: 500 13px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  padding: 9px 12px; border: 1px solid transparent; border-radius: 6px; color: var(--muted); }
.nav a:hover { color: var(--ink); border-color: var(--line); }
.nav a[aria-current="page"] { color: var(--ink); border-color: var(--line); background: var(--panel); }
.readouts { display: flex; gap: 18px; font: 400 12px/1 var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.readouts span b { color: var(--signal); font-weight: 400; }
.progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 0; background: linear-gradient(90deg, var(--signal), var(--violet)); }

/* starfield hero band */
.sky { position: relative; overflow: hidden; border-bottom: 1px solid var(--line);
  background: radial-gradient(ellipse 80% 70% at 85% 0%, rgba(165, 87, 255, .4), transparent 62%),
              radial-gradient(ellipse 60% 60% at 0% 100%, rgba(108, 203, 255, .26), transparent 62%), var(--void); }
.sky canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.sky > .wrap { position: relative; }

/* shared: meta line (author / date / read time) and the outlined button (2026-10-28: restored; they went out with the
   featured-post block but posts, the log list and the home hero still use them) */
.metaline { display: flex; flex-wrap: wrap; gap: 6px 16px; font: 400 13px/1.4 var(--mono); color: var(--muted); }
.metaline span:not(:last-child)::after { content: "/"; margin-left: 16px; color: var(--line); }
.cta { display: inline-flex; align-items: center; gap: 10px; justify-self: start; min-height: 44px; padding: 0 20px;
  border: 1px solid var(--signal); border-radius: 6px; color: var(--signal); text-decoration: none; font: 500 13px/1 var(--mono);
  letter-spacing: .1em; text-transform: uppercase; background: rgba(108, 203, 255, .06); }
.cta:hover { background: var(--signal); color: var(--void); }


.tag { display: inline-block; padding: 5px 9px; border: 1px solid var(--line); border-radius: 4px; background: rgba(11, 15, 34, .78);
  font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ice); }

/* log list */
.logs { display: grid; gap: 12px; }
.log { display: grid; grid-template-columns: 88px 200px minmax(0, 1fr) auto; gap: 24px; align-items: center; padding: 14px;
  border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); text-decoration: none;
  transition: border-color .15s, background .15s; }
.log:hover { border-color: var(--signal); background: var(--panel-2); }
.log .num { font: 500 13px/1 var(--mono); color: var(--signal); letter-spacing: .08em; }
.log img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 6px; }
.log .body { display: grid; gap: 8px; min-width: 0; }
.log h2, .log h3 { font-size: 21px; }
.log .excerpt { color: var(--muted); font-size: 15px; }
.log .go { font: 400 20px/1 var(--mono); color: var(--muted); padding-right: 8px; }
.log:hover .go { color: var(--signal); }
.log[hidden] { display: none; }

.filters-wrap { display: grid; gap: 10px; }
.section-head:empty { display: none; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; }
.filters button { font: 500 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
  background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: 9px 14px; cursor: pointer; }
.filters button:hover { color: var(--ink); }
.filters button[aria-pressed="true"] { color: var(--void); background: var(--signal); border-color: var(--signal); }

/* panels: sign-up, topics */
.panel { border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); padding: clamp(20px, 3.5vw, 36px); }
.signup-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; align-items: center;
  background: linear-gradient(135deg, rgba(108, 203, 255, .16), rgba(165, 87, 255, .2)), var(--panel); }
.signup-panel h2 { font-size: clamp(24px, 3vw, 30px); margin-top: 8px; }
.signup-panel p { color: var(--muted); margin-top: 10px; }
.signup { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: end; }
.signup label { grid-column: 1 / -1; font: 500 11px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.signup input[type="email"] { width: 100%; min-height: 46px; padding: 0 14px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--void); color: var(--ink); font: 400 15px var(--text); }
.signup input[type="email"]::placeholder { color: var(--muted); }
.signup input[type="email"]:focus-visible { border-color: var(--signal); outline: 2px solid var(--signal); outline-offset: 2px; }
.signup button { min-height: 46px; padding: 0 20px; border: 0; border-radius: 6px; background: var(--signal); color: var(--void);
  font: 600 13px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }
.signup button:hover { background: var(--ice); }
.signup .hp { position: absolute; left: -10000px; }
.form-note { grid-column: 1 / -1; font: 400 13px/1.4 var(--mono); color: var(--signal); min-height: 1.4em; }

.topics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.topic { position: relative; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; min-height: 220px;
  display: grid; align-content: end; background: var(--panel); }
.topic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .92; }
.topic::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(11, 15, 34, .9)); }
.topic div { position: relative; z-index: 1; padding: 18px; display: grid; gap: 6px; }
.topic h3 { font-size: 20px; }
.topic p { color: var(--ink-2); font-size: 14px; }

/* home: introduction (2026-10-28, owner: land on what Lunargates is, blog further down) */
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(24px, 5vw, 72px); align-items: center;
  padding-block: clamp(48px, 8vw, 104px); }
.hero-copy { display: grid; gap: 22px; justify-items: start; }
.hero-copy h1 { font-size: clamp(38px, 6vw, 68px); line-height: 1.04; }
.hero-copy h1 em { font-style: normal; background: linear-gradient(90deg, var(--signal), var(--violet)); -webkit-background-clip: text;
  background-clip: text; color: transparent; }
.lede { color: var(--ink-2); font-size: clamp(17px, 2vw, 20px); line-height: 1.6; max-width: 52ch; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta.solid { background: var(--signal); color: var(--void); font-weight: 600; }
.cta.solid:hover { background: var(--ice); border-color: var(--ice); }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { padding: 6px 11px; border: 1px solid var(--line); border-radius: 999px; font: 500 11px/1 var(--mono); letter-spacing: .12em;
  text-transform: uppercase; color: var(--ice); background: rgba(11, 15, 34, .6); }
.hero-seal { position: relative; display: grid; place-items: center; aspect-ratio: 1; max-width: 440px; width: 100%; justify-self: center; }
.hero-seal::before, .hero-seal::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid var(--line); }
.hero-seal::before { inset: -6%; border-style: dashed; opacity: .55; animation: lg-spin 120s linear infinite; }
.hero-seal::after { inset: -18%; opacity: .3; }
.hero-seal .seal { position: relative; width: 100%; height: auto; filter: drop-shadow(0 0 40px rgba(108, 203, 255, .28)); }
@keyframes lg-spin { to { transform: rotate(360deg); } }

.statement { font: 500 clamp(21px, 2.8vw, 30px)/1.4 var(--display); color: var(--ink); max-width: 30em; text-wrap: balance; }
.pillars { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.pillars li { display: grid; gap: 10px; align-content: start; padding: 24px; border: 1px solid var(--line); border-radius: var(--r);
  background: var(--panel); }
.pillars .num { font: 500 13px/1 var(--mono); letter-spacing: .08em; color: var(--signal); }
.pillars h3 { font-size: 24px; }
.pillars p { color: var(--muted); font-size: 16px; }
.note { color: var(--muted); font-size: 15px; margin-top: 10px; }
.byline { display: grid; gap: 10px; padding: 20px 24px; border-left: 2px solid var(--signal); background: rgba(20, 26, 56, .55); border-radius: 0 var(--r) var(--r) 0; max-width: 760px; }
.byline p:last-child { color: var(--ink-2); }
.byline a { color: var(--signal); }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
.skiplink { position: fixed; left: 12px; top: -60px; z-index: 200; padding: 12px 16px; background: var(--signal); color: var(--void);
  font: 600 13px/1 var(--mono); border-radius: 6px; text-decoration: none; }
.skiplink:focus { top: 12px; }
#top:focus { outline: none; }

/* about */
.about-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px 64px; align-items: end; padding-block: clamp(48px, 7vw, 88px) 32px; }
.about-head h1 { font-size: clamp(38px, 5.5vw, 60px); margin-top: 12px; }
.about-head p { color: var(--ink-2); font-size: 18px; max-width: 44ch; }
.about-why { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: center; }
.about-why img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--r); border: 1px solid var(--line); }
.about-why h2 { font-size: clamp(26px, 3.4vw, 34px); margin: 10px 0 14px; }
.about-why p { color: var(--ink-2); max-width: 46ch; }
.strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.strip img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: var(--r); border: 1px solid var(--line); }

/* post */
.post-top { padding-block: clamp(40px, 6vw, 72px) 32px; display: grid; gap: 16px; max-width: 860px; }
.post-top h1 { font-size: clamp(34px, 5vw, 56px); }
.post-top .sub { color: var(--ink-2); font-size: 19px; }
.post-grid { display: grid; grid-template-columns: minmax(0, 720px) 220px; gap: 64px; justify-content: space-between; padding-bottom: 72px; }
.article { display: grid; gap: 20px; font-size: 18px; line-height: 1.75; color: var(--ink-2); min-width: 0; }
.article h2 { font-size: clamp(24px, 3vw, 30px); color: var(--ink); margin-top: 28px; }
.article strong { color: var(--ink); font-weight: 600; }
.article a { color: var(--signal); text-decoration-color: rgba(108, 203, 255, .45); text-underline-offset: 3px; }
.article a:hover { text-decoration-color: var(--signal); }
.article figure { margin: 8px 0; display: grid; gap: 8px; }
.article figure img { width: 100%; border-radius: var(--r); border: 1px solid var(--line); }
.article figcaption { font: 400 13px/1.4 var(--mono); color: var(--muted); }
.toc { position: sticky; top: 92px; align-self: start; display: grid; gap: 14px; }
.toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; border-left: 1px solid var(--line); }
.toc a { display: block; padding: 6px 0 6px 14px; margin-left: -1px; border-left: 1px solid transparent; text-decoration: none;
  font-size: 14px; line-height: 1.35; color: var(--muted); }
.toc a:hover { color: var(--ink); }
.toc a.on { color: var(--signal); border-left-color: var(--signal); }
.copy-link { justify-self: start; font: 500 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted);
  background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 9px 12px; cursor: pointer; }
.copy-link:hover { color: var(--ink); border-color: var(--muted); }
.nextprev { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 32px; }
.nextprev a { display: grid; gap: 6px; padding: 16px; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); text-decoration: none; }
.nextprev a:hover { border-color: var(--signal); }
.nextprev a:last-child { text-align: right; }
.nextprev strong { font: 600 17px/1.3 var(--display); color: var(--ink); }

/* footer */
.foot { border-top: 1px solid var(--line); margin-top: 24px; }
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-block: 28px 36px; }
.foot nav { display: flex; gap: 18px; }
.foot a { text-decoration: none; padding: 6px 0; color: var(--muted); font: 400 13px/1 var(--mono); }
.foot a:hover { color: var(--ink); }
.foot p { font: 400 13px/1 var(--mono); color: var(--muted); }

@media (max-width: 980px) {
  .readouts { display: none; }
  .post-grid { grid-template-columns: minmax(0, 1fr); }
  .toc { display: none; }
  .topics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .strip { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .strip img:nth-child(n+4) { display: none; }
}
@media (max-width: 760px) {
  .console .wrap { gap: 12px; }
  .nav a { padding: 0 10px; min-height: 44px; display: inline-flex; align-items: center; font-size: 12px; }
  .filters button { min-height: 44px; }
  .copy-link { min-height: 44px; }
  .topic { min-height: 170px; }
  .signup-panel, .about-head, .about-why, .hero-grid, .pillars { grid-template-columns: minmax(0, 1fr); }
  .hero-seal { max-width: 260px; }
  .hero-grid { padding-block: 32px 48px; }
  .log { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .log .go { display: none; }
  .signup { grid-template-columns: minmax(0, 1fr); }
  .nextprev { grid-template-columns: minmax(0, 1fr); }
  .nextprev a:last-child { text-align: left; }
}
@media (max-width: 480px) { .topic div { padding: 12px; } .topic h3 { font-size: 17px; } .topic p { font-size: 13px; } .brand { font-size: 14px; letter-spacing: .12em; } .nav a { padding: 8px 6px; letter-spacing: .04em; } }
@media (max-width: 360px) { .console .wrap { gap: 6px; } .brand { font-size: 13px; letter-spacing: .06em; gap: 6px; } .brand svg { width: 28px; height: 28px; } .nav a { padding: 0 6px; } }
@media (prefers-reduced-motion: reduce) { .log, .cta { transition: none; } .hero-seal::before { animation: none; } html { scroll-behavior: auto; } }