/* nullmesh — the void terminal with a living safety-net
   ----------------------------------------------------- */

:root {
  --void:    #07080b;
  --void-2:  #0b0d12;
  --panel:   #0d1016;
  --line:    rgba(255, 255, 255, 0.07);
  --line-2:  rgba(255, 255, 255, 0.12);

  --ink:     #e8eaef;
  --mut:     #8b919e;
  --dim:     #565c68;

  --acc:     #5ef2a8;        /* mint phosphor — the live mesh */
  --acc-dim: rgba(94, 242, 168, 0.14);
  --acc-glow: rgba(94, 242, 168, 0.35);
  --danger:  #ff8a6a;        /* the thing being caught */

  --maxw: 1080px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-display: "Space Mono", ui-monospace, monospace;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;
  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* atmospheric depth behind the canvas mesh */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(120% 80% at 50% -10%, rgba(94, 242, 168, 0.06), transparent 60%),
    radial-gradient(80% 60% at 100% 100%, rgba(94, 242, 168, 0.05), transparent 55%),
    var(--void);
}

#mesh {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  display: block;
}

/* film grain */
.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--acc); color: #04130c; }

a { color: var(--acc); text-decoration: none; }

code, pre { font-family: var(--font-mono); }

/* ---------- layout primitives ---------- */
.nav, .hero, .tools, .manifesto, .footer {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

/* ---------- nav ---------- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: -0.02em;
}
.brand__name b { color: var(--ink); font-weight: 700; }
.brand__node {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 0 4px var(--acc-dim), 0 0 12px var(--acc-glow);
  animation: pulse 3.2s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--acc-dim), 0 0 8px var(--acc-glow); }
  50%      { box-shadow: 0 0 0 6px transparent, 0 0 16px var(--acc-glow); }
}

.nav__links {
  display: flex;
  gap: clamp(16px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 14px;
}
.nav__links a {
  color: var(--mut);
  position: relative;
  transition: color 0.25s var(--ease);
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -5px;
  width: 100%; height: 1px;
  background: var(--acc);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { transform: scaleX(1); }

/* ---------- hero ---------- */
.hero {
  padding-top: clamp(60px, 14vh, 150px);
  padding-bottom: clamp(60px, 12vh, 130px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mut);
  margin: 0 0 26px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: rgba(255,255,255,0.015);
}
.eyebrow__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 10px var(--acc-glow);
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(58px, 13vw, 168px);
  line-height: 0.92;
  letter-spacing: -0.045em;
  margin: 0 0 22px;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
}
.wordmark__accent {
  color: var(--acc);
  text-shadow: 0 0 40px var(--acc-glow);
}
.caret {
  display: inline-block;
  width: clamp(14px, 2.6vw, 34px);
  height: clamp(46px, 9vw, 116px);
  margin-left: clamp(8px, 1.4vw, 18px);
  background: var(--acc);
  transform: translateY(0.06em);
  animation: blink 1.15s steps(1) infinite;
}
@keyframes blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

.tagline {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(20px, 3.2vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0 0 22px;
  max-width: 18ch;
}

.lede {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--mut);
  max-width: 56ch;
  margin: 0 0 38px;
}
.lede__hl { color: var(--ink); }

.cta { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink);
  padding: 13px 20px;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease), color 0.25s var(--ease);
}
.btn:hover { border-color: var(--mut); background: rgba(255,255,255,0.05); transform: translateY(-2px); }
.btn--primary {
  background: var(--acc);
  color: #04130c;
  border-color: var(--acc);
  font-weight: 600;
  box-shadow: 0 8px 30px -10px var(--acc-glow);
}
.btn--primary:hover { background: #7df9bd; border-color: #7df9bd; box-shadow: 0 12px 40px -12px var(--acc-glow); }

/* ---------- section label ---------- */
.section-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mut);
  margin: 0 0 28px;
}
.comment, .section-label .comment { color: var(--acc); }

/* ---------- tools grid ---------- */
.tools { padding-block: clamp(40px, 8vh, 90px); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--panel), var(--void-2));
  overflow: hidden;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  position: relative;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(120% 100% at 0% 0%, rgba(94,242,168,0.05), transparent 45%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: 0 24px 60px -28px rgba(0,0,0,0.8); }
.card--live:hover { border-color: var(--acc-glow); }
.card--live:hover::after { opacity: 1; }

.card__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.015);
}
.dot { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,0.12); }
.card__path {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--dim);
}

.card__body { padding: 22px 22px 24px; }
.card__head { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.card__glyph { font-size: 22px; line-height: 1; filter: saturate(1.1); }
.card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}

.chip {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--line-2);
}
.chip--live {
  color: var(--acc);
  border-color: var(--acc-glow);
  background: var(--acc-dim);
}
.chip--live::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--acc);
  margin-right: 7px;
  vertical-align: middle;
  box-shadow: 0 0 8px var(--acc-glow);
  animation: pulse 2.4s var(--ease) infinite;
}
.chip--soon { color: var(--mut); }

/* "next" placeholder tile */
.card--next {
  border-style: dashed;
  border-color: var(--line-2);
  background: transparent;
  display: flex;
}
.card--next:hover { transform: translateY(-4px); border-color: var(--mut); box-shadow: none; }
.card--next::after { content: none; }
.card__next {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 9px;
  padding: 34px 26px;
  width: 100%;
}
.card__next-node {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--acc);
  box-shadow: 0 0 0 4px var(--acc-dim), 0 0 12px var(--acc-glow);
  margin-bottom: 4px;
  animation: pulse 3.2s var(--ease) infinite;
}
.card__next-label {
  font-family: var(--font-mono);
  font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--mut); margin: 0;
}
.card__next-text { color: var(--ink); font-size: 18px; margin: 0; max-width: 22ch; }
.card__next-link { font-family: var(--font-mono); font-size: 13.5px; color: var(--mut); margin-top: 4px; transition: color 0.2s var(--ease); }
.card__next-link:hover { color: var(--acc); }

.card__desc { font-size: 15px; color: var(--mut); margin: 0 0 20px; }
.card__desc code {
  font-size: 0.86em;
  color: var(--ink);
  background: rgba(255,255,255,0.06);
  padding: 1px 6px;
  border-radius: 5px;
}
.card__desc .danger { color: var(--danger); font-style: normal; }
.card__desc em { color: var(--ink); font-style: italic; }

.install {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 11px 12px;
  background: var(--void);
  margin-bottom: 18px;
}
.install__cmd { font-size: 13.5px; color: var(--ink); overflow-x: auto; white-space: nowrap; }
.install__cmd .prompt { color: var(--acc); margin-right: 8px; user-select: none; }
.install .soon-tag { color: var(--dim); }
.install--muted { opacity: 0.7; }
.install--muted .install__cmd .prompt { color: var(--dim); }

.install__copy {
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mut);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-2);
  border-radius: 6px;
  padding: 5px 11px;
  cursor: pointer;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.install__copy:hover { color: var(--ink); border-color: var(--mut); }
.install__copy.copied { color: var(--acc); border-color: var(--acc-glow); background: var(--acc-dim); }

.card__links {
  display: flex;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 13.5px;
}
.card__links a { color: var(--mut); transition: color 0.2s var(--ease); }
.card__links a:hover { color: var(--acc); }

/* ---------- manifesto ---------- */
.manifesto { padding-block: clamp(40px, 9vh, 100px); }
.manifesto__code {
  font-size: clamp(12.5px, 1.5vw, 15px);
  line-height: 1.85;
  color: var(--ink);
  border: 1px solid var(--line);
  border-left: 2px solid var(--acc);
  border-radius: 12px;
  padding: clamp(20px, 4vw, 36px);
  background: linear-gradient(180deg, rgba(255,255,255,0.012), transparent);
  overflow-x: auto;
  margin: 0;
}
.manifesto__code .c { color: var(--mut); }

/* ---------- footer ---------- */
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 28px;
  padding-block: 40px;
  margin-top: clamp(30px, 6vh, 70px);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--dim);
}
.footer__brand { font-family: var(--font-display); color: var(--mut); font-size: 15px; }
.footer__brand b { color: var(--ink); }
.footer__links { display: flex; gap: 22px; }
.footer__links a { color: var(--mut); }
.footer__links a:hover { color: var(--acc); }
.footer__meta { margin-left: auto; }
.footer__sig { color: var(--acc); }

/* ---------- reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}
[data-reveal].in {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s var(--ease) var(--d, 0ms), transform 0.7s var(--ease) var(--d, 0ms);
}

@media (max-width: 560px) {
  .footer__meta { margin-left: 0; width: 100%; }
  .nav { padding-block: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .caret { opacity: 1; }
}