/* ==========================================================================
   Astral Sovereignty — astralsovereignty.com
   Single stylesheet. No frameworks, no external fonts, no network requests.
   ========================================================================== */

/* ---------- 1. Tokens ---------------------------------------------------- */

:root {
  /* Surfaces: near-black blue, lifted in even steps */
  --bg-0:      #04050a;
  --bg-1:      #070910;
  --bg-2:      #0b0e17;
  --panel:     #12151d;
  --panel-2:   #171b25;
  --panel-3:   #1e2430;

  /* Lines */
  --line:      #1e2531;
  --line-soft: #161c26;
  --line-lit:  #2b3648;
  --edge-ui:   #4c5c78;   /* 3.0:1 on --bg-0: interactive boundaries (WCAG 1.4.11) */

  /* Brand */
  --blue:      #2e75f2;   /* signature, from the game client */
  --blue-lit:  #6ea8ff;   /* text-safe blue on dark */
  --blue-deep: #1a3d6b;
  --blue-dim:  rgba(46, 117, 242, .14);

  /* Support accents */
  --amber:     #e8a33d;   /* sovereignty / control / "live" */
  --amber-dim: rgba(232, 163, 61, .13);
  --cyan:      #4fd8e8;   /* scan, intel, discovery */
  --cyan-dim:  rgba(79, 216, 232, .12);
  --danger:    #e05a5a;
  --danger-dim: rgba(224, 90, 90, .12);

  /* Text — all verified >= 4.5:1 on --bg-0/--panel */
  --text:      #eaf1ff;
  --text-2:    #b9c8de;   /* 9.7:1 on --bg-0 */
  --text-3:    #8b9bb4;   /* 5.6:1 on --bg-0 */
  --text-4:    #7486a0;   /* 4.9:1 on --panel, 5.5:1 on --bg-0 */

  /* Type */
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", "Roboto Mono", monospace;

  /* Fluid scale */
  --t-hero: clamp(2.3rem, 1.35rem + 3.5vw, 4.05rem);
  --t-h1:   clamp(2rem,   1.25rem + 3.1vw, 3.4rem);
  --t-h2:   clamp(1.55rem, 1.15rem + 1.7vw, 2.35rem);
  --t-h3:   clamp(1.12rem, .99rem + .58vw, 1.4rem);
  --t-body: clamp(1rem, .965rem + .16vw, 1.09rem);
  --t-sm:   .875rem;
  --t-xs:   .765rem;

  /* Space */
  --gut: clamp(1.15rem, .55rem + 2.6vw, 2.5rem);
  --sec: clamp(4.25rem, 2.4rem + 7.4vw, 8.5rem);
  --max: 1200px;
  --measure: 68ch;

  /* Instrument hardware, not rounded-2xl cards. Radii stay tight on purpose. */
  --r-sm: 3px;
  --r:    4px;
  --r-lg: 6px;

  /* Elevation is a 1px top highlight, never a shadow smeared on near-black. */
  --lift: inset 0 1px 0 rgba(235, 242, 255, .055);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. Reset ----------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--t-body);
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -.022em;
  font-weight: 650;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }
img, svg { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a {
  color: var(--blue-lit);
  text-decoration-color: color-mix(in srgb, var(--blue-lit) 40%, transparent);
  text-underline-offset: .22em;
  transition: color .18s var(--ease);
}
a:hover { color: #a9caff; }

:focus-visible {
  outline: 2px solid var(--blue-lit);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: rgba(46, 117, 242, .32); color: #fff; }

/* ---------- 3. Layout primitives ---------------------------------------- */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gut);
}
.wrap--tight { max-width: 900px; }

.section { padding-block: var(--sec); position: relative; }
.section--hair { border-top: 1px solid var(--line-soft); }

.stack   { display: grid; gap: 1.15rem; }
.stack-2 { display: grid; gap: 2rem; }
.measure { max-width: var(--measure); }

/* Section heading block */
.sec-head { display: grid; gap: 1rem; margin-bottom: clamp(2.25rem, 4vw, 3.5rem); }
.sec-head p { color: var(--text-2); max-width: var(--measure); }

/* Eyebrow: mono telemetry label with a rule */
.eyebrow {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--text-4);
  display: flex;
  align-items: center;
  gap: .7rem;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--blue);
  flex: none;
}
.eyebrow--c { color: var(--cyan); }
.eyebrow--c::before { background: var(--cyan); }

/* ---------- 4. Ambient starfield + orbital art -------------------------- */

.sky {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(1100px 620px at 76% -8%,  rgba(46,117,242,.15), transparent 62%),
    radial-gradient(880px 520px  at 8% 12%,   rgba(79,216,232,.055), transparent 60%),
    radial-gradient(1000px 760px at 50% 108%, rgba(26,61,107,.20),  transparent 66%),
    var(--bg-0);
}
#stars { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .85; }

/* A faint technical grid, like a nav overlay */
.grid-veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right,  var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(ellipse 78% 62% at 50% 42%, #000 12%, transparent 76%);
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 50% 42%, #000 12%, transparent 76%);
  opacity: .55;
}

/* ---------- 5. Header ---------------------------------------------------- */

.hdr {
  position: sticky;
  top: 0;
  z-index: 60;
  background: color-mix(in srgb, var(--bg-0) 76%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.hdr[data-scrolled="true"] {
  border-bottom-color: var(--line);
  background: color-mix(in srgb, var(--bg-0) 92%, transparent);
}
.hdr__in {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 4.4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: .68rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 680;
  letter-spacing: -.015em;
  margin-right: auto;
}
.brand img { width: 30px; height: 30px; }
.brand b { font-weight: 680; }
.brand span { color: var(--blue-lit); font-weight: 680; }

.nav { display: flex; align-items: center; gap: .35rem; }
.nav a {
  color: var(--text-2);
  text-decoration: none;
  font-size: var(--t-sm);
  font-weight: 520;
  padding: .5rem .78rem;
  border-radius: var(--r-sm);
  transition: color .18s var(--ease), background .18s var(--ease);
}
.nav a:hover { color: var(--text); background: rgba(255,255,255,.045); }
.nav a[aria-current="page"] { color: var(--text); background: var(--blue-dim); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--edge-ui);
  border-radius: var(--r-sm);
  width: 42px; height: 38px;
  color: var(--text-2);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.nav-toggle svg { width: 19px; height: 19px; }

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: .15rem;
    padding: .6rem var(--gut) 1.1rem;
    background: var(--bg-1);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav[data-open="true"] { display: flex; }
  .nav a { padding: .78rem .7rem; font-size: 1rem; }
  .nav .btn { margin-top: .5rem; text-align: center; justify-content: center; }
}

/* ---------- 6. Buttons --------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  font: inherit;
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: .005em;
  padding: .78rem 1.4rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--edge-ui);
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s var(--ease), background .2s var(--ease),
              border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover { background: var(--panel-3); border-color: #38455c; color: var(--text); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(180deg, #2a63cf, #1c4fae);
  border-color: #4f8dfa;
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,.18) inset, 0 0 0 1px rgba(46,117,242,.5);
}
.btn--primary:hover {
  background: linear-gradient(180deg, #2f6cdc, #205ac4);
  border-color: #6ea8ff;
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,.22) inset, 0 0 0 1px rgba(110,168,255,.75), 0 0 22px -6px rgba(46,117,242,.6);
}
.btn--ghost { background: transparent; }
.btn--ghost:hover { background: rgba(255,255,255,.05); }
.btn--lg { padding: .95rem 1.7rem; font-size: 1rem; }

.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }

/* ---------- 7. Icon masks ------------------------------------------------ */
/* icon-*.webp are white-on-transparent masks, so they tint to currentColor. */

.ico {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  flex: none;
  background-color: currentColor;
  -webkit-mask-position: center;  mask-position: center;
  -webkit-mask-repeat: no-repeat; mask-repeat: no-repeat;
  -webkit-mask-size: contain;     mask-size: contain;
}
.ico--lg { width: 2.1rem; height: 2.1rem; }

.ico-radar         { -webkit-mask-image: url("img/icon-radar.webp");         mask-image: url("img/icon-radar.webp"); }
.ico-planet        { -webkit-mask-image: url("img/icon-planet.webp");        mask-image: url("img/icon-planet.webp"); }
.ico-crown         { -webkit-mask-image: url("img/icon-crown.webp");         mask-image: url("img/icon-crown.webp"); }
.ico-crossedswords { -webkit-mask-image: url("img/icon-crossedswords.webp"); mask-image: url("img/icon-crossedswords.webp"); }
.ico-factory       { -webkit-mask-image: url("img/icon-factory.webp");       mask-image: url("img/icon-factory.webp"); }
.ico-star          { -webkit-mask-image: url("img/icon-star.webp");          mask-image: url("img/icon-star.webp"); }
.ico-visibility    { -webkit-mask-image: url("img/icon-visibility.webp");    mask-image: url("img/icon-visibility.webp"); }
.ico-rocket        { -webkit-mask-image: url("img/icon-rocket.webp");        mask-image: url("img/icon-rocket.webp"); }
.ico-solarsystem   { -webkit-mask-image: url("img/icon-solarsystem.webp");   mask-image: url("img/icon-solarsystem.webp"); }
.ico-spaceship     { -webkit-mask-image: url("img/icon-spaceship.webp");     mask-image: url("img/icon-spaceship.webp"); }
.ico-chest         { -webkit-mask-image: url("img/icon-chest.webp");         mask-image: url("img/icon-chest.webp"); }
.ico-wrench        { -webkit-mask-image: url("img/icon-wrench.webp");        mask-image: url("img/icon-wrench.webp"); }
.ico-emblemshield  { -webkit-mask-image: url("img/icon-emblemshield.webp");  mask-image: url("img/icon-emblemshield.webp"); }
.ico-paper         { -webkit-mask-image: url("img/icon-paper.webp");         mask-image: url("img/icon-paper.webp"); }

/* Icon plinth: an engraved square tile, not a soft gradient circle. */
.ico-chip {
  position: relative;
  width: 2.95rem; height: 2.95rem;
  display: grid; place-items: center;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-lit);
  background: var(--panel-2);
  box-shadow: var(--lift);
  color: var(--blue-lit);
  flex: none;
}
.ico-chip::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid currentColor;
  border-radius: 2px;
  opacity: .13;
  pointer-events: none;
}
.ico-chip .ico { width: 1.6rem; height: 1.6rem; }
.ico-chip--c { color: var(--cyan); }
.ico-chip--a { color: var(--amber); }

/* ---------- 8. Hero ------------------------------------------------------ */

.hero { position: relative; padding-block: clamp(3.5rem, 2rem + 7vw, 7.5rem) clamp(3rem, 2rem + 5vw, 6rem); overflow: hidden; }
.hero__in { position: relative; z-index: 2; display: grid; gap: 2.5rem; }

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--text-2);
  background: var(--panel);
  border: 1px solid var(--line-lit);
  border-radius: 999px;
  padding: .42rem .95rem .42rem .62rem;
  width: fit-content;
}
.pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 0 rgba(232,163,61,.55);
  animation: pulse 2.6s var(--ease) infinite;
  flex: none;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(232,163,61,.5); }
  70%  { box-shadow: 0 0 0 8px rgba(232,163,61,0); }
  100% { box-shadow: 0 0 0 0 rgba(232,163,61,0); }
}

.hero h1 {
  font-size: var(--t-hero);
  font-weight: 700;
  letter-spacing: -.034em;
  max-width: 20ch;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(102deg, #8fc0ff 4%, var(--blue) 52%, #7be0ee 96%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero__sub { font-size: clamp(1.03rem, .95rem + .5vw, 1.28rem); color: var(--text-2); max-width: 58ch; }

/* Hero ship plate */
/* Ship renders are opaque rectangles with their own starfield. Feather them
   into the page so no frame is visible: the art bleeds, it does not sit in a box.
   The caption sits BELOW the art as a telemetry strip, never over it, so its
   contrast never depends on which pixel of the render is behind it. */
.hero__plate { margin: 0; display: grid; gap: .35rem; }
.hero__plate .plate__img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 482 / 271;
  -webkit-mask-image:
    linear-gradient(to right,  transparent 0%, #000 15%, #000 85%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 13%, #000 80%, transparent 100%);
  mask-image:
    linear-gradient(to right,  transparent 0%, #000 15%, #000 85%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 13%, #000 80%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
}
.hero__plate img { width: 100%; height: 100%; object-fit: cover; }
.hero__plate figcaption {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem 1.4rem;
  padding-top: .35rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-4);
}
.hero__plate figcaption b { color: var(--blue-lit); font-weight: 500; }

@media (min-width: 960px) {
  .hero__in { grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr); align-items: center; gap: 3.5rem; }
}

/* Orbiting planet decorations */
.orbit { position: absolute; pointer-events: none; user-select: none; z-index: 1; opacity: .5; }
.orbit img { width: 100%; height: auto; }
.orbit--a { width: clamp(120px, 18vw, 230px); top: -4%;  right: -6%;  animation: drift 26s ease-in-out infinite; }
.orbit--b { width: clamp(70px, 9vw, 120px);   bottom: 6%; left: -4%;  animation: drift 34s ease-in-out infinite reverse; opacity: .35; }
@keyframes drift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50%      { transform: translate3d(0, -18px, 0); }
}

/* ---------- 9. Stat strip ------------------------------------------------ */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  box-shadow: var(--lift);
  overflow: hidden;
}
.stats li { padding: 1.35rem 1.4rem; border-right: 1px solid var(--line-soft); }
.stats li:last-child { border-right: 0; }
.stats b {
  display: block;
  font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.3rem);
  font-weight: 680;
  letter-spacing: -.03em;
  color: var(--text);
  line-height: 1;
  margin-bottom: .5rem;
}
.stats span { font-size: var(--t-sm); color: var(--text-3); line-height: 1.5; display: block; }
@media (max-width: 640px) {
  .stats li { border-right: 0; border-bottom: 1px solid var(--line-soft); }
  .stats li:last-child { border-bottom: 0; }
}

/* ---------- 10. Cards ---------------------------------------------------- */

.cards {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 305px), 1fr));
}

.card {
  position: relative;
  display: grid;
  gap: .95rem;
  align-content: start;
  padding: 1.65rem 1.6rem 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  box-shadow: var(--lift);
  transition: border-color .22s var(--ease), background .22s var(--ease);
}
/* Reticle corner brackets: the panel is marked, not outlined. */
.card::before,
.card::after {
  content: "";
  position: absolute;
  width: 13px; height: 13px;
  border: 1px solid var(--blue);
  opacity: 0;
  transition: opacity .22s var(--ease);
  pointer-events: none;
}
.card::before { top: -1px; left: -1px;  border-right: 0; border-bottom: 0; }
.card::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.card:hover { border-color: var(--line-lit); background: var(--panel-2); }
.card:hover::before, .card:hover::after { opacity: .85; }
.card h3 { font-size: var(--t-h3); }
.card p  { color: var(--text-2); font-size: .965rem; }

/* ---------- 11. Loop panels ---------------------------------------------- */

.loop {
  display: grid;
  gap: 1.6rem;
  padding: clamp(1.5rem, 1rem + 2vw, 2.4rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(620px 300px at var(--gx, 88%) 0%, var(--glow, rgba(46,117,242,.12)), transparent 68%),
    var(--panel);
}
.loop { box-shadow: var(--lift); }
.loop + .loop { margin-top: 1.15rem; }
.loop__head { display: flex; align-items: center; gap: 1rem; }
.loop__n {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .16em;
  color: var(--text-4);
  margin-left: auto;
}
.loop h3 { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.75rem); }
.loop__lead { color: var(--text-2); max-width: var(--measure); }

.ticks { display: grid; gap: .72rem; }
.ticks li {
  position: relative;
  padding-left: 1.7rem;
  color: var(--text-2);
  font-size: .95rem;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: .1rem; top: .62em;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--accent, var(--blue));
  box-shadow: 0 0 10px -1px var(--accent, var(--blue));
}

@media (min-width: 880px) {
  .loop { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: start; column-gap: 3rem; }
  .loop > .loop__head, .loop > .loop__lead { grid-column: 1; }
  /* Scoped to .loop on purpose: .ticks is reused inside plain .stack blocks
     elsewhere, where an explicit grid-column would fabricate a second column. */
  .loop > .ticks { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
}

/* Loop accent variants */
.loop--explore { --glow: rgba(79,216,232,.13);  --accent: var(--cyan); }
.loop--expand  { --glow: rgba(46,117,242,.14);  --accent: var(--blue-lit); }
.loop--develop { --glow: rgba(232,163,61,.11);  --accent: var(--amber); }
.loop--compete { --glow: rgba(224,90,90,.11);   --accent: var(--danger); }

/* ---------- 12. Tick timeline -------------------------------------- */

.rail { display: grid; gap: 0; position: relative; }

.step {
  position: relative;
  display: grid;
  gap: .55rem;
  padding: 0 0 2.3rem 3.3rem;
  border-left: 1px solid var(--line);
  margin-left: .85rem;
}
.step:last-child { border-left-color: transparent; padding-bottom: 0; }
.step__dot {
  position: absolute;
  left: -.86rem; top: .1rem;
  width: 1.72rem; height: 1.72rem;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--bg-1);
  border: 1px solid var(--line-lit);
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--blue-lit);
  font-weight: 600;
}
.step__label {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue-lit);
}
.step h3 { font-size: var(--t-h3); }
.step p { color: var(--text-2); max-width: var(--measure); font-size: .965rem; }

/* Highlight the moment the galaxy resolves */
.step--key .step__dot { border-color: var(--amber); color: var(--amber); box-shadow: 0 0 0 4px var(--amber-dim); }
.step--key .step__label { color: var(--amber); }

/* ---------- 13. Worlds strip --------------------------------------------- */

.worlds {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: clamp(.8rem, 2vw, 1.6rem);
}
/* Eight worlds: force clean rows rather than letting auto-fit orphan the last one. */
@media (min-width: 560px) { .worlds { grid-template-columns: repeat(4, 1fr); } }
.world { display: grid; gap: .7rem; justify-items: center; text-align: center; }
.world img {
  width: min(100%, 132px);
  aspect-ratio: 1;
  object-fit: contain;
  filter: drop-shadow(0 14px 26px rgba(0,0,0,.6));
  transition: transform .3s var(--ease);
}
.world:hover img { transform: scale(1.06) translateY(-3px); }
.world b {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-2);
  font-weight: 500;
}
.world span { font-size: var(--t-xs); color: var(--text-4); }

/* ---------- 14. Visibility ladder ---------------------------------------- */

.ladder { display: grid; gap: .5rem; counter-reset: v; }
.ladder li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: .5rem 1rem;
  padding: .95rem 1.15rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, var(--lvl, rgba(46,117,242,.09)), transparent 55%);
}
.ladder b {
  font-family: var(--mono);
  font-size: var(--t-sm);
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--text);
  min-width: 8.5ch;
}
.ladder span { color: var(--text-2); font-size: .93rem; }
.ladder li:nth-child(1) { --lvl: rgba(109,125,149,.09); }
.ladder li:nth-child(2) { --lvl: rgba(109,125,149,.15); }
.ladder li:nth-child(3) { --lvl: rgba(79,216,232,.10); }
.ladder li:nth-child(4) { --lvl: rgba(79,216,232,.16); }
.ladder li:nth-child(5) { --lvl: rgba(46,117,242,.17); }
.ladder li:nth-child(6) { --lvl: rgba(232,163,61,.17); }
@media (max-width: 560px) {
  .ladder li { grid-template-columns: 1fr; }
}

/* ---------- 15. Roadmap -------------------------------------------------- */

.road { display: grid; gap: 1.15rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); }

.phase {
  display: grid;
  gap: 1rem;
  align-content: start;
  padding: 1.5rem 1.5rem 1.7rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  box-shadow: var(--lift);
}
.phase__top { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.phase__n {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--text-4);
}
.phase h3 { font-size: 1.15rem; }
.phase ul { display: grid; gap: .6rem; }
.phase li {
  position: relative;
  padding-left: 1.15rem;
  font-size: .92rem;
  color: var(--text-2);
  line-height: 1.55;
}
.phase li::before {
  content: "";
  position: absolute; left: 0; top: .6em;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--text-4);
}

.tag {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: .3rem .6rem;
  border-radius: 2px;
  border: 1px solid currentColor;
  font-weight: 600;
}
.tag--live      { color: #7ee0a8; background: rgba(126,224,168,.1); }
.tag--building  { color: var(--amber); background: var(--amber-dim); }
.tag--planned   { color: var(--blue-lit); background: var(--blue-dim); }
.tag--exploring { color: var(--text-3); background: rgba(139,155,180,.09); }

.phase--live { border-color: rgba(126,224,168,.28); }
.phase--live li::before { background: #7ee0a8; }

/* ---------- 16. FAQ ------------------------------------------------------ */

.faq { display: grid; gap: .6rem; }
.qa {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--panel);
  box-shadow: var(--lift);
  overflow: hidden;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.qa[open] { border-color: var(--line-lit); background: var(--panel-2); }
.qa summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.35rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text);
  list-style: none;
  transition: color .18s var(--ease);
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--blue-lit); }
.qa summary::after {
  content: "";
  margin-left: auto;
  flex: none;
  width: 11px; height: 11px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  opacity: .55;
  transition: transform .24s var(--ease), opacity .2s var(--ease);
}
.qa[open] summary::after { transform: rotate(225deg) translate(-2px, -2px); opacity: .95; }
.qa__a { padding: 0 1.35rem 1.3rem; color: var(--text-2); max-width: var(--measure); }

/* ---------- 17. Split feature (image + text) ----------------------------- */

.split { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 900px) {
  .split { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 3.5rem; }
  .split--flip .split__media { order: 2; }
}
.split__media {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-1);
  box-shadow: var(--lift);
}
.split__media img { width: 100%; height: auto; }

/* Ship-render plates: feathered, frameless, bled into the void. */
.split__media--plate {
  border: 0;
  background: none;
  box-shadow: none;
  -webkit-mask-image:
    linear-gradient(to right,  transparent 0%, #000 14%, #000 86%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 12%, #000 82%, transparent 100%);
  mask-image:
    linear-gradient(to right,  transparent 0%, #000 14%, #000 86%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 12%, #000 82%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
}
.split__media--gate {
  display: grid;
  place-items: center;
  padding: clamp(1.6rem, 4vw, 3.2rem);
  background:
    radial-gradient(420px 300px at 50% 42%, rgba(46,117,242,.20), transparent 70%),
    linear-gradient(170deg, var(--panel), var(--bg-1));
}
.split__media--gate img {
  width: min(100%, 250px);
  filter: drop-shadow(0 0 40px rgba(46,117,242,.45));
}

.gates { display: flex; align-items: flex-end; justify-content: center; gap: clamp(.75rem, 3vw, 2.2rem); }
.gates figure { display: grid; gap: .75rem; justify-items: center; margin: 0; }
/* Gate art is luminance-keyed off black. Screen-blending drops the residual
   black entirely so the gate reads as a light source, not a pasted sprite. */
.gates img {
  width: clamp(64px, 15vw, 108px);
  mix-blend-mode: screen;
}
.gates figcaption {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--text-3);
  text-align: center;
}
.gates .is-dim img { opacity: .48; filter: grayscale(.55); }

/* ---------- 18. Callout / CTA -------------------------------------------- */

.cta {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-lit);
  border-radius: var(--r-lg);
  padding: clamp(2.2rem, 1.4rem + 4vw, 4.2rem) clamp(1.4rem, 1rem + 3vw, 3.4rem);
  background:
    radial-gradient(760px 380px at 82% -20%, rgba(46,117,242,.26), transparent 66%),
    radial-gradient(520px 320px at 6% 120%, rgba(79,216,232,.11), transparent 62%),
    linear-gradient(168deg, var(--panel-2), var(--bg-1));
  text-align: center;
  display: grid;
  gap: 1.4rem;
  justify-items: center;
}
.cta h2 { font-size: var(--t-h2); max-width: 20ch; }
.cta p { color: var(--text-2); max-width: 56ch; }
.cta__note { font-size: var(--t-sm); color: var(--text-4); }

/* ---------- 19. Footer --------------------------------------------------- */

.ftr {
  border-top: 1px solid var(--line);
  background: var(--bg-1);
  padding-block: clamp(2.5rem, 1.6rem + 3vw, 4rem) 2rem;
  margin-top: var(--sec);
}
.ftr__grid {
  display: grid;
  gap: 2.2rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  margin-bottom: 2.5rem;
}
.ftr__grid > div:first-child { grid-column: 1 / -1; max-width: 42ch; }
@media (min-width: 760px) { .ftr__grid > div:first-child { grid-column: auto; } }
.ftr .ftr-h {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--text-4);
  font-weight: 500;
  margin-bottom: 1rem;
}
.ftr ul { display: grid; gap: .62rem; }
.ftr a { color: var(--text-2); text-decoration: none; font-size: .93rem; }
.ftr a:hover { color: var(--blue-lit); }
.ftr__tag { color: var(--text-3); font-size: .93rem; margin-top: .85rem; }
.ftr__base {
  border-top: 1px solid var(--line-soft);
  padding-top: 1.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.5rem;
  align-items: center;
  font-size: var(--t-xs);
  color: var(--text-4);
  font-family: var(--mono);
  letter-spacing: .04em;
}
.ftr__base a { font-size: inherit; font-family: inherit; }

/* ---------- 20. Utility -------------------------------------------------- */

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--blue);
  color: #fff;
  padding: .75rem 1.15rem;
  border-radius: 0 0 var(--r-sm) 0;
  font-weight: 600;
}
.skip:focus { left: 0; }

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

.hair { height: 1px; background: var(--line-soft); border: 0; margin: 0; }

/* Scroll reveal */
.rise {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
  will-change: opacity, transform;
}
.rise.is-in { opacity: 1; transform: none; will-change: auto; }


/* ---------- 23. Environmental axes ---------------------------------------
   Six axes describe every world; a species has its own comfort range on each.
   Rendered as labelled chips so the idea reads at a glance. */

.axes {
  display: grid;
  gap: .6rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
}
.axis {
  display: grid;
  gap: .55rem;
  padding: .8rem .9rem .95rem;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--panel);
  box-shadow: var(--lift);
}
.axis b {
  font-family: var(--mono);
  font-size: var(--t-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-2);
  font-weight: 500;
}
/* A band showing a narrow tolerance window inside a wide possible range. */
.axis i {
  position: relative;
  display: block;
  height: 5px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--blue) 40%, var(--amber) 72%, var(--danger) 100%);
  opacity: .32;
}
.axis i::after {
  content: "";
  position: absolute;
  top: -3px; bottom: -3px;
  left: var(--from, 30%); right: var(--to, 40%);
  border-radius: 3px;
  background: var(--text);
  box-shadow: 0 0 10px -1px rgba(234,241,255,.75);
}
.axis span { font-size: var(--t-xs); color: var(--text-4); }

/* ---------- 24. Spec list (planned features, practical facts) ------------- */

.specs { display: grid; gap: .55rem; }
.spec {
  display: grid;
  gap: .3rem .95rem;
  padding: .95rem 1.15rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: var(--panel);
}
.spec b { color: var(--text); font-size: .97rem; font-weight: 620; }
.spec span { color: var(--text-2); font-size: .93rem; }
@media (min-width: 720px) {
  .spec { grid-template-columns: minmax(11rem, 15rem) 1fr; align-items: baseline; }
}

/* A muted variant for anything explicitly framed as not yet built. */
.spec--planned b { color: var(--text-2); }
.spec--planned::before {
  content: "PLANNED";
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .16em;
  color: var(--text-4);
}
@media (min-width: 720px) {
  .spec--planned::before { display: none; }
}

/* ---------- 21. Reduced motion ------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .rise { opacity: 1; transform: none; }
  #stars { display: none; }
  .orbit { animation: none; }
}

/* ---------- 22. Print ---------------------------------------------------- */

@media print {
  .sky, #stars, .hdr, .orbit, .cta { display: none !important; }
  body { background: #fff; color: #000; }
}