/* MeshBuddy About page */
:root {
  --about-bg: #070b0a;
  --about-surface: #101613;
  --about-surface-2: #151c18;
  --about-surface-3: #1b241f;
  --about-inset: #0b0f0d;
  --about-line: #2a3a30;
  --about-line-strong: #486354;
  --about-text: #d8e4dd;
  --about-bright: #f0f6f1;
  --about-muted: #91a697;
  --about-green: #46e06b;
  --about-green-dim: #2ea043;
  --about-blue: #6cb2ff;
  --about-amber: #ffb84d;
  --about-red: #ff5f67;
  --about-cyan: #37c7ff;
  --about-purple: #b987ff;
  --about-shadow: rgba(0, 0, 0, .42);
  --about-clip: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

html,
body.about-page {
  min-height: 100%;
  margin: 0;
  background: var(--about-bg);
  color: var(--about-text);
  font-family: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}

body.about-page,
body.about-page * {
  box-sizing: border-box;
}

.about-shell {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px 48px;
}

/* faint map-grid backdrop */
.about-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(70, 224, 107, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(70, 224, 107, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .25) 60%, transparent);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .25) 60%, transparent);
}

.about-section {
  position: relative;
  margin-top: 42px;
}

.about-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--about-green);
  font: 700 12px "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .28em;
  text-transform: uppercase;
}

.about-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--about-green-dim);
}

.about-h2 {
  margin: 10px 0 6px;
  color: var(--about-bright);
  font: 700 30px/1.1 "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.about-annot {
  color: var(--about-muted);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* ---------- hero ---------- */
.about-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 28px;
  align-items: center;
  margin-top: 34px;
  padding: 34px 30px;
  border: 1px solid var(--about-line-strong);
  background:
    radial-gradient(1200px 420px at 18% -10%, rgba(70, 224, 107, .08), transparent 60%),
    linear-gradient(180deg, var(--about-surface), var(--about-inset));
  clip-path: var(--about-clip);
  box-shadow: 0 18px 40px var(--about-shadow);
  overflow: hidden;
}

.about-hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.about-hero h1 {
  margin: 12px 0 10px;
  color: var(--about-bright);
  font: 700 44px/1.04 "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.about-hero h1 em {
  color: var(--about-green);
  font-style: normal;
}

.about-hero-sub {
  max-width: 52ch;
  margin: 0 0 20px;
  color: var(--about-text);
  font-size: 14px;
  line-height: 1.65;
}

.about-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 18px;
  border: 1px solid var(--about-line-strong);
  background: var(--about-surface-2);
  color: var(--about-bright);
  font: 700 12px "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.about-btn:hover,
.about-btn:focus-visible {
  border-color: var(--about-green);
  color: var(--about-green);
  outline: none;
}

.about-btn.primary {
  border-color: var(--about-green);
  background: var(--about-green);
  color: #06100b;
}

.about-btn.primary:hover,
.about-btn.primary:focus-visible {
  background: #5aeb7d;
  color: #06100b;
}

.about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 22px;
  color: var(--about-muted);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.about-hero-meta b {
  color: var(--about-green);
  font-weight: 600;
}

/* hero illustration */
.about-hero-art {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.about-hero-art svg {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, .45));
}

.about-art-caption {
  margin-top: 8px;
  color: var(--about-muted);
  font-size: 9px;
  letter-spacing: .12em;
  text-align: right;
  text-transform: uppercase;
}

/* radar sweep + pulses (decorative) */
.art-sweep {
  transform-origin: 210px 150px;
  animation: about-sweep 9s linear infinite;
}

.art-pulse {
  transform-origin: center;
  transform-box: fill-box;
  animation: about-pulse 3.2s ease-out infinite;
}

.art-pulse.p2 { animation-delay: 1.1s; }
.art-pulse.p3 { animation-delay: 2.2s; }

.art-packet {
  animation: about-dash 7s linear infinite;
}

@keyframes about-sweep {
  to { transform: rotate(360deg); }
}

@keyframes about-pulse {
  0% { opacity: .8; transform: scale(.35); }
  70% { opacity: 0; transform: scale(1.6); }
  100% { opacity: 0; transform: scale(1.6); }
}

@keyframes about-dash {
  to { stroke-dashoffset: -240; }
}

/* ---------- what is ---------- */
.about-prose {
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.75;
}

.about-prose p { margin: 0 0 14px; }
.about-prose b { color: var(--about-bright); }
.about-prose .hl { color: var(--about-green); }

/* ---------- question prompts ---------- */
.about-prompts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.about-prompt {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 13px 16px;
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--about-green-dim);
  background: var(--about-inset);
  color: var(--about-text);
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: border-color .18s ease, background .18s ease, color .18s ease;
}

.about-prompt .caret {
  color: var(--about-green);
  font-weight: 700;
}

.about-prompt:hover {
  border-color: var(--about-green);
  border-left-color: var(--about-green);
  background: var(--about-surface-2);
  color: var(--about-bright);
}

.about-prompt-note {
  margin-top: 10px;
  color: var(--about-muted);
  font-size: 11px;
}

/* ---------- feature constellation ---------- */
.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.about-feature-card {
  padding: 18px 18px 16px;
  border: 1px solid var(--about-line);
  border-top: 2px solid var(--card-accent, var(--about-green-dim));
  background: linear-gradient(180deg, var(--about-surface-2), var(--about-surface));
  clip-path: var(--about-clip);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .3);
}

.about-feature-card.mesh { --card-accent: var(--about-green); }
.about-feature-card.infra { --card-accent: var(--about-blue); }
.about-feature-card.sitaware { --card-accent: var(--about-amber); }
.about-feature-card.rf { --card-accent: var(--about-cyan); }

.about-feature-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.about-feature-head svg {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  color: var(--card-accent, var(--about-green));
}

.about-feature-head h3 {
  margin: 0;
  color: var(--about-bright);
  font: 700 15px "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.about-feature-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 12px;
  line-height: 1.5;
}

.about-feature-card li {
  position: relative;
  padding-left: 14px;
  color: var(--about-text);
}

.about-feature-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 6px;
  height: 6px;
  background: var(--card-accent, var(--about-green));
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  opacity: .75;
}

/* ---------- why it exists ---------- */
.about-mission {
  padding: 44px 34px;
  border: 1px solid var(--about-line-strong);
  background:
    radial-gradient(900px 320px at 50% 0, rgba(108, 178, 255, .07), transparent 65%),
    linear-gradient(180deg, var(--about-surface), var(--about-inset));
  clip-path: var(--about-clip);
  text-align: center;
  box-shadow: 0 18px 40px var(--about-shadow);
}

.about-mission blockquote {
  max-width: 30ch;
  margin: 14px auto 0;
  color: var(--about-bright);
  font: 700 34px/1.25 "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.about-mission blockquote em {
  color: var(--about-green);
  font-style: normal;
}

.about-mission .about-mission-sub {
  max-width: 52ch;
  margin: 18px auto 0;
  color: var(--about-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- community uses ---------- */
.about-uses {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.about-use {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--about-line);
  background: var(--about-surface-2);
  color: var(--about-text);
  font: 600 12px "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .09em;
  text-transform: uppercase;
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
}

.about-use::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--about-green);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.about-use:hover {
  border-color: var(--about-green-dim);
  color: var(--about-bright);
}

/* ---------- dev status ---------- */
.about-dev {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
  padding: 24px;
  border: 1px solid var(--about-line);
  background: linear-gradient(180deg, var(--about-surface-2), var(--about-surface));
  clip-path: var(--about-clip);
}

.about-dev ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
  font-size: 12.5px;
  line-height: 1.55;
}

.about-dev li {
  position: relative;
  padding-left: 16px;
}

.about-dev li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--about-green);
  font-weight: 700;
}

.about-dev-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--about-green);
  background: var(--about-inset);
  color: var(--about-green);
  font: 700 12px "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.about-dev-led {
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: currentColor;
  box-shadow: 0 0 8px rgba(70, 224, 107, .8);
  animation: about-led 2.4s ease-in-out infinite;
}

@keyframes about-led {
  0%, 100% { opacity: 1; }
  50% { opacity: .3; }
}

.about-dev-note {
  margin-top: 12px;
  color: var(--about-muted);
  font-size: 10.5px;
  letter-spacing: .04em;
}

/* ---------- disclaimer ---------- */
.about-disclaimer {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 22px;
  border: 1px solid var(--about-amber);
  background:
    repeating-linear-gradient(-45deg, rgba(255, 184, 77, .05) 0 10px, transparent 10px 20px),
    var(--about-inset);
  clip-path: var(--about-clip);
}

.about-disclaimer .sigil {
  flex: 0 0 auto;
  color: var(--about-amber);
  font: 700 13px "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .16em;
  text-transform: uppercase;
  border: 1px solid var(--about-amber);
  padding: 6px 10px;
}

.about-disclaimer p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- final CTA ---------- */
.about-final {
  padding: 40px 30px 44px;
  border: 1px solid var(--about-line-strong);
  background:
    radial-gradient(800px 300px at 50% 110%, rgba(70, 224, 107, .1), transparent 60%),
    linear-gradient(180deg, var(--about-inset), var(--about-surface));
  clip-path: var(--about-clip);
  text-align: center;
}

.about-final h2 {
  margin: 0 0 6px;
  color: var(--about-bright);
  font: 700 32px/1.15 "Saira Condensed", "Arial Narrow", Arial, sans-serif;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.about-final p {
  margin: 0 auto 22px;
  max-width: 56ch;
  color: var(--about-muted);
  font-size: 13px;
  line-height: 1.7;
}

.about-final .about-cta-row {
  justify-content: center;
}

/* ---------- responsive + motion ---------- */
@media (max-width: 900px) {
  .about-hero {
    grid-template-columns: 1fr;
    padding: 26px 20px;
  }

  .about-hero h1 { font-size: 34px; }
  .about-mission blockquote { font-size: 26px; }
  .about-dev { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .about-shell { padding: 0 12px 40px; }
  .about-hero h1 { font-size: 28px; }
  .about-h2 { font-size: 24px; }
  .about-prompts { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .art-sweep,
  .art-pulse,
  .art-packet,
  .about-dev-led {
    animation: none;
  }

  .art-pulse { opacity: 0; }
  .about-prompt { transition: none; }
}