/* ==========================================================================
   THE HIGH-GROUND SMP
   ========================================================================== */

:root {
  /* Colour: dark volcanic base, lit by lava */
  --bg: #080607;
  --bg-rgb: 8, 6, 7;
  --surface: #17100f;
  --fg: #f3ece6;
  --fg-rgb: 243, 236, 230;
  --muted: #b3a69e;
  --subtle: #8a7d77;
  --accent: #ff7200;
  --accent-rgb: 255, 114, 0;
  --accent-ink: #140805;
  --line: rgba(243, 236, 230, 0.08);
  --line-strong: rgba(243, 236, 230, 0.16);

  /* Lava ramp (the hero canvas uses the same family in script.js) */
  --lava-deep: #7f1608;
  --lava-red: #b52a0b;
  --lava-orange: #e5480b;
  --lava-bright: #ff9d00;
  --lava-hot: #ffc21a;
  --lava-core: #fff1a3;
  --lava-rgb: 229, 72, 11;

  /* Type */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "Segoe UI Mono", Menlo, Consolas, monospace;

  /* Layout */
  --container: 75rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --nav-h: 4rem;
  --section-y: clamp(5rem, 11vw, 9rem);
  --radius: 3px;
  --control-h: 3.25rem;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.35s;
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, p, ol, ul, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }

::selection { background: rgba(var(--accent-rgb), 0.35); color: var(--fg); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

section[id] { scroll-margin-top: var(--nav-h); }

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono { font-family: var(--font-mono); }

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: var(--gutter);
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--fg);
  color: var(--bg);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius);
  transform: translateY(-200%);
  transition: transform 0.2s var(--ease-out);
}
.skip-link:focus { transform: none; }

/* Shared ↗ arrow icon */
.arrow {
  width: 0.75rem;
  height: 0.75rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: square;
  transition: transform var(--dur) var(--ease-out);
}
a:hover .arrow,
a:focus-visible .arrow { transform: translate(2px, -2px); }

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur), border-color var(--dur);
}

.nav.is-scrolled,
.nav.is-open {
  background: rgba(var(--bg-rgb), 0.82);
  border-bottom-color: var(--line);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand__mark {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--fg);
  transition: transform var(--dur) var(--ease-out);
}
.brand__accent { fill: var(--accent); }
.brand:hover .brand__mark { transform: translateY(-2px); }
.brand__smp { color: var(--subtle); }

.nav__menu { margin-left: auto; }

.nav__links { display: flex; gap: 0.25rem; }

.nav__links a {
  position: relative;
  display: block;
  padding: 0.5rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--dur);
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.25rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}

.nav__links a:hover,
.nav__links a:focus-visible,
.nav__links a.is-active { color: var(--fg); }

.nav__links a:hover::after,
.nav__links a:focus-visible::after,
.nav__links a.is-active::after { transform: scaleX(1); }

/* The Map link is the one item that stands out */
.nav__map {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 2.25rem;
  padding: 0 0.95rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.45);
  border-radius: var(--radius);
  transition: background-color var(--dur), color var(--dur), border-color var(--dur);
}

.nav__map:hover,
.nav__map:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.nav__toggle {
  display: none;
  position: relative;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav__toggle span {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.875rem;
  height: 1.5px;
  margin-left: -0.4375rem;
  background: var(--fg);
  transition: transform var(--dur) var(--ease-out);
}
.nav__toggle span:first-child { transform: translateY(-3px); }
.nav__toggle span:last-child { transform: translateY(3px); }
.nav__toggle[aria-expanded="true"] span:first-child { transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: rotate(-45deg); }

@media (max-width: 47.99em) {
  .nav__toggle { display: block; }
  .nav__toggle[hidden] { display: none; }
  .nav__map { margin-left: auto; }

  .nav__menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    margin: 0;
    padding: 0.5rem var(--gutter) 1.5rem;
    background: rgba(var(--bg-rgb), 0.97);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity 0.25s, transform 0.25s var(--ease-out), visibility 0s 0.25s;
  }

  .nav.is-open .nav__menu {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
  }

  .nav__links { flex-direction: column; gap: 0; }

  .nav__links a {
    padding: 1.1rem 0;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--line);
  }
  .nav__links a::after { display: none; }
}

@media (max-width: 25em) {
  .brand { font-size: 0.75rem; letter-spacing: 0.1em; gap: 0.6rem; }
  .brand__the { display: none; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  height: var(--control-h);
  padding: 0 1.6rem;
  overflow: hidden;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition:
    transform var(--dur) var(--ease-out),
    box-shadow var(--dur),
    background-color var(--dur),
    border-color var(--dur),
    color var(--dur);
}

.btn:hover,
.btn:focus-visible { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(180deg, var(--lava-bright), var(--accent) 55%, var(--lava-orange));
  color: var(--accent-ink);
  box-shadow: inset 0 1px 0 rgba(255, 241, 163, 0.35);
}

/* Directional sheen that sweeps across on hover */
.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.35) 50%, transparent 65%);
  transform: translateX(-101%);
  transition: transform 0.7s var(--ease-out);
  pointer-events: none;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  box-shadow:
    inset 0 1px 0 rgba(255, 241, 163, 0.35),
    0 10px 30px -12px rgba(var(--accent-rgb), 0.75);
}
.btn--primary:hover::after { transform: translateX(101%); }

.btn--ghost {
  color: var(--fg);
  border-color: var(--line-strong);
}
.btn--ghost:hover,
.btn--ghost:focus-visible { border-color: rgba(var(--fg-rgb), 0.45); }

/* ---------- Server address (click to copy) ---------- */

.ip {
  display: inline-flex;
  align-items: stretch;
  height: var(--control-h);
  padding: 0;
  background: rgba(var(--bg-rgb), 0.65);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: transform var(--dur) var(--ease-out), border-color var(--dur);
}

.ip:hover,
.ip:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(var(--fg-rgb), 0.38);
}
.ip:active { transform: translateY(0); }

.ip__label,
.ip__value,
.ip__action {
  display: flex;
  align-items: center;
  font-family: var(--font-mono);
}

.ip__label {
  padding: 0 0.9rem;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--subtle);
  border-right: 1px solid var(--line);
}

.ip__value {
  padding: 0 1.1rem;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.ip__action {
  display: grid;
  place-items: center;
  min-width: 5.75rem;
  padding: 0 1rem;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  border-left: 1px solid var(--line);
  transition: color var(--dur);
}

.ip__action > span {
  grid-area: 1 / 1;
  transition: opacity 0.25s, transform 0.25s var(--ease-out);
}

.ip__copied {
  opacity: 0;
  transform: translateY(0.4rem);
  color: var(--accent);
}

.ip:hover .ip__action { color: var(--fg); }
.ip.is-copied { border-color: rgba(var(--accent-rgb), 0.6); }
.ip.is-copied .ip__copy { opacity: 0; transform: translateY(-0.4rem); }
.ip.is-copied .ip__copied { opacity: 1; transform: none; }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: calc(var(--nav-h) + 2.5rem) 0 7rem;
  overflow: hidden;
  /* Faint red haze rising from the river; the canvas provides the real light */
  background:
    radial-gradient(40% 70% at 50% 60%, rgba(var(--lava-rgb), 0.07), transparent 70%),
    radial-gradient(90% 45% at 50% 105%, rgba(127, 22, 8, 0.22), transparent 70%),
    var(--bg);
}

/* Canvas never intercepts input: everything is listened for on .hero instead. */
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.8s ease;
}
.hero__canvas.is-ready { opacity: 1; }

/* Very faint chunk grid, warmed toward the centre by the lava */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -4;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(var(--lava-rgb), 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(var(--lava-rgb), 0.07) 1px, transparent 1px);
  background-size: 4rem 4rem;
  background-position: center -1px;
  opacity: 0.5;
  -webkit-mask-image: radial-gradient(ellipse 45% 60% at 50% 50%, #000, transparent 80%);
  mask-image: radial-gradient(ellipse 45% 60% at 50% 50%, #000, transparent 80%);
}

/* Edge fades + a light pool of shade behind the headline: the lava stays
   visible through it, but text contrast never depends on where the river is. */
.hero__veil {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 42% 26% at 50% 47%, rgba(var(--bg-rgb), 0.58), transparent 75%),
    linear-gradient(90deg, var(--bg) 0%, transparent 12%, transparent 88%, var(--bg) 100%),
    linear-gradient(180deg, rgba(var(--bg-rgb), 0.6) 0%, transparent 16%, transparent 82%, var(--bg) 100%);
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  /* Keeps small hero text crisp wherever the lava passes behind it */
  text-shadow: 0 1px 2px rgba(var(--bg-rgb), 0.8), 0 0 18px rgba(var(--bg-rgb), 0.9);
}

.hero__actions { text-shadow: none; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.pip {
  width: 6px;
  height: 6px;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

.hero__title {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 2rem;
  font-weight: 800;
  line-height: 0.88;
  text-transform: uppercase;
}

.title__the {
  margin-bottom: 0.9em;
  padding-left: 0.6em; /* balances the trailing letter-spacing */
  font-size: clamp(0.8125rem, 1.4vw, 1.0625rem);
  font-weight: 600;
  letter-spacing: 0.6em;
  color: var(--muted);
}

.title__main {
  display: inline-flex;
  align-items: flex-start;
  white-space: nowrap;
  /* Width-driven so "HIGH-GROUND" always fits on one line */
  font-size: clamp(2rem, calc((100vw - 2rem) / 8.6), 9.25rem);
  letter-spacing: -0.045em;
  /* Off-white, warmed very slightly at the base as if lit from below */
  background: linear-gradient(180deg, var(--fg) 36%, #f0c4a2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
  /* drop-shadow (not text-shadow) so the gradient fill isn't darkened */
  filter: drop-shadow(0 6px 28px rgba(var(--bg-rgb), 0.75));
}

.title__smp {
  margin: 0.32em 0 0 0.55em;
  padding: 0.4em 0.45em 0.35em 0.6em;
  font-size: max(0.6875rem, 0.19em);
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1;
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
  border: 1px solid rgba(var(--accent-rgb), 0.5);
}

.hero__lead {
  max-width: 34rem;
  margin-top: 2rem;
  font-size: clamp(1rem, 1.3vw, 1.1875rem);
  line-height: 1.55;
  color: var(--muted);
  text-wrap: balance;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.hero__hint {
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--subtle);
}

/* Bottom HUD: F3-style coordinates + scroll cue */
.hero__hud {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.75rem;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--subtle);
  text-shadow: 0 0 10px rgba(var(--bg-rgb), 0.95);
  pointer-events: none;
}

.hero__hud a { pointer-events: auto; }

.hud { display: flex; align-items: center; gap: 0.9rem; }
.hud__key { color: var(--accent); }

.hud b {
  min-width: 4ch;
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.5rem 0;
  transition: color var(--dur);
}
.scroll-cue:hover { color: var(--fg); }

.scroll-cue__bar {
  position: relative;
  width: 1px;
  height: 2rem;
  overflow: hidden;
  background: var(--line-strong);
}

.scroll-cue__bar::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 40%;
  background: var(--accent);
  animation: scroll-cue 2.4s var(--ease-out) infinite;
}

@keyframes scroll-cue {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(260%); }
}

/* Entrance animation */
.anim {
  animation: rise 1s var(--ease-out) both;
  animation-delay: var(--d, 0s);
}

.title__main.anim { animation-name: rise, settle; animation-duration: 1s, 1.6s; }

@keyframes rise {
  from { opacity: 0; transform: translateY(0.75rem); }
  to { opacity: 1; transform: none; }
}

@keyframes settle {
  from { letter-spacing: -0.01em; }
  to { letter-spacing: -0.045em; }
}

/* ==========================================================================
   Sections
   ========================================================================== */

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

.section__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--subtle);
}

.section__head::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}

.section__index { color: var(--accent); }

.section__title {
  max-width: 15ch;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

/* ---------- About ---------- */

.about {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.about__body p { color: var(--muted); }
.about__body p + p { margin-top: 1.1rem; }

.about__body .lede {
  font-size: clamp(1.125rem, 1.6vw, 1.3125rem);
  line-height: 1.5;
  color: var(--fg);
}

.specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 2rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
}

.specs > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}

.specs__wide { grid-column: 1 / -1; }

.specs dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--subtle);
}

.specs dd {
  font-size: 0.9375rem;
  text-align: right;
  overflow-wrap: anywhere;
}

/* ---------- Features ---------- */

.features__intro {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.features__note {
  max-width: 20rem;
  color: var(--muted);
}

/* 1px gaps over a line-coloured background = seamless hairline grid */
.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 19rem;
  padding: 1.75rem 1.75rem 2rem;
  overflow: hidden;
  background: var(--bg);
  transition: background-color 0.5s;
}

/* Cursor-following spotlight (position set by script.js) */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(22rem circle at var(--mx, 50%) var(--my, 0%), rgba(var(--accent-rgb), 0.09), transparent 60%);
  opacity: 0;
  transition: opacity 0.5s;
  pointer-events: none;
}

/* Corner bracket, like a selected block */
.card::after {
  content: "";
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  width: 0.75rem;
  height: 0.75rem;
  border-top: 1px solid var(--accent);
  border-left: 1px solid var(--accent);
  opacity: 0;
  transform: translate(-4px, -4px);
  transition: opacity var(--dur), transform var(--dur) var(--ease-out);
}

.card:hover,
.card:focus-within { background: var(--surface); }
.card:hover::before,
.card:focus-within::before { opacity: 1; }
.card:hover::after,
.card:focus-within::after { opacity: 1; transform: none; }

.card__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: auto;
  padding-bottom: 3rem;
}

.card__icon {
  width: auto;
  height: 1.375rem;
  fill: var(--fg);
  transition: transform 0.5s var(--ease-out), fill var(--dur);
}
.card__icon-accent { fill: var(--accent); }
.card:hover .card__icon { transform: translateY(-4px); fill: var(--accent); }

.card__index {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--subtle);
}

.card h3 {
  position: relative;
  margin-bottom: 0.6rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: transform 0.5s var(--ease-out);
}

.card p {
  position: relative;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--muted);
  transition: transform 0.5s var(--ease-out);
}

.card:hover h3,
.card:hover p { transform: translateY(-3px); }

.card__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- Rules ---------- */

.rules__statement {
  font-size: clamp(2.5rem, 7.5vw, 6rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}

.rules__statement span { display: block; }
.rules__statement span:nth-child(2) { color: var(--subtle); }
.rules__statement i { font-style: normal; color: var(--accent); }

.rules__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: clamp(2rem, 5vw, 4rem);
  margin-top: clamp(3rem, 6vw, 5rem);
  counter-reset: rule;
}

.rules__list li {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  padding: 1.35rem 0;
  border-top: 1px solid var(--line);
  counter-increment: rule;
}

.rules__list li::before {
  content: counter(rule, decimal-leading-zero);
  padding-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
}

.rules__list strong {
  display: block;
  margin-bottom: 0.2rem;
  font-weight: 600;
}

.rules__list span {
  font-size: 0.9375rem;
  color: var(--muted);
}

/* ---------- Join ---------- */

.section--join { padding-top: 0; border-top: 0; }

.join {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2.5rem 3rem;
  padding: clamp(2rem, 6vw, 4.5rem);
  border: 1px solid var(--line);
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 2rem 2rem,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 2rem 2rem,
    var(--bg);
  background-position: -1px -1px;
}

/* Fade the block pattern so it only shows toward one corner */
.join::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--bg) 35%, rgba(var(--bg-rgb), 0.6) 100%);
  pointer-events: none;
}

/* Accent corner ticks */
.join::after {
  content: "";
  position: absolute;
  inset: -1px;
  pointer-events: none;
  background:
    linear-gradient(var(--accent), var(--accent)) top left / 1rem 1px no-repeat,
    linear-gradient(var(--accent), var(--accent)) top left / 1px 1rem no-repeat,
    linear-gradient(var(--accent), var(--accent)) bottom right / 1rem 1px no-repeat,
    linear-gradient(var(--accent), var(--accent)) bottom right / 1px 1rem no-repeat;
}

.join > * { position: relative; z-index: 1; }

.join .section__head { margin-bottom: 1.75rem; }

.steps {
  display: grid;
  gap: 0.6rem;
  margin-top: 2rem;
  color: var(--muted);
}

.steps li { display: flex; gap: 1rem; }

.steps span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.6rem;
  color: var(--accent);
}

.join__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.75rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--line);
}

.footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 2rem;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer__brand .brand__mark { width: 1.75rem; height: 1.75rem; }

.footer__name {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer__tag {
  font-size: 0.875rem;
  color: var(--muted);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
}

.footer__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color var(--dur);
}

.footer__links a:hover,
.footer__links a:focus-visible { color: var(--fg); }
.footer__links li:first-child a { color: var(--accent); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--subtle);
}

/* ==========================================================================
   Scroll reveal (only hides content when JavaScript is running)
   ========================================================================== */

.js .reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
  transition-delay: var(--d, 0s);
}

.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 64em) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .join { grid-template-columns: 1fr; align-items: start; }
  .join__actions { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 47.99em) {
  :root { --nav-h: 3.75rem; }

  .about { grid-template-columns: 1fr; }
  .features__intro { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .rules__list { grid-template-columns: 1fr; }

  .hero { padding-bottom: 6rem; }
  .hero__title { margin-top: 1.5rem; }
  .hero__lead { margin-top: 1.5rem; }

  .hero__actions,
  .join__actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 24rem;
  }

  .ip { width: 100%; }
  .ip__value { flex: 1; justify-content: center; padding: 0 0.75rem; }
  .btn { width: 100%; }
}

@media (max-width: 40em) {
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .card__top { padding-bottom: 2rem; }

  .specs { grid-template-columns: 1fr; }

  .hud__key { display: none; }
  .hud { gap: 0.6rem; }
}

@media (max-width: 25em) {
  .ip__label { display: none; }
  .ip__value { font-size: 0.875rem; }
  .ip__action { min-width: 5rem; padding: 0 0.75rem; }
}

/* Touch screens: no sticky hover lifts */
@media (hover: none) {
  .card:hover .card__icon,
  .card:hover h3,
  .card:hover p { transform: none; }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }

  .js .reveal { opacity: 1; transform: none; }
  .scroll-cue__bar::after { animation: none; transform: none; }
  .btn--primary::after { display: none; }
}