/* ================================================
   GHOSTWIRE — WEBSITE STYLES
   Design: Fusion — Editorial + Technical Brutalist
   + Ethereal Ghost Mesh + Mission-Driven Minimal
   ================================================ */

:root {
  --bg: #070a0e;
  --bg-2: #0d1117;
  --bg-3: #111820;
  --surface: #131c26;
  --surface-2: #1a2535;
  --border: rgba(0, 220, 154, 0.08);
  --border-2: rgba(0, 220, 154, 0.15);
  --border-3: rgba(255,255,255,0.06);

  --green: #00DC9A;
  --green-dim: rgba(0, 220, 154, 0.12);
  --green-glow: rgba(0, 220, 154, 0.06);
  --orange: #F97316;
  --white: #F0EDE6;
  --white-dim: rgba(240, 237, 230, 0.70);
  --white-faint: rgba(240, 237, 230, 0.35);

  --font-display: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --nav-h: 64px;
  --max-w: 1160px;
  --radius: 4px;
  --radius-lg: 8px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---- SCREEN READER ONLY ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- SELECTION ---- */
::selection {
  background: rgba(0, 220, 154, 0.25);
  color: var(--white);
}

::-moz-selection {
  background: rgba(0, 220, 154, 0.25);
  color: var(--white);
}

/* ---- FOCUS VISIBLE ---- */
:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible,
.qs-tab:focus-visible,
.btn:focus-visible,
.community-card:focus-visible,
.nav-link:focus-visible,
.nav-logo:focus-visible,
.nav-toggle:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ---- REDUCED MOTION ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .pulse-dot { animation: none !important; }
  .hero-scroll { animation: none !important; }
  .mesh-canvas { opacity: 0.15 !important; }
}

/* ---- UTILITIES ---- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }
.mono { font-family: var(--font-mono); }

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  background: rgba(7, 10, 14, 0.85);
  transition: background 0.3s;
}
.nav.scrolled { background: rgba(7, 10, 14, 0.97); border-bottom-color: var(--border-2); }
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--white);
}
.logo-text {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--white);
}
.logo-mark { display: flex; align-items: center; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-size: 13px;
  font-weight: 400;
  color: var(--white-dim);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--white); }
.nav-link--gh {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  padding: 6px 14px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  transition: background 0.2s, border-color 0.2s;
}
.nav-link--gh:hover { background: var(--green-dim); border-color: var(--green); color: var(--green); }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white-dim);
  transition: 0.3s;
}
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 1rem 2rem;
}
.nav-mobile a {
  padding: 0.75rem 0;
  color: var(--white-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile.open { display: flex; }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  overflow: hidden;
}
.mesh-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.45;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  padding-top: 4rem;
  padding-bottom: 8rem;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  letter-spacing: 0.06em;
  margin-bottom: 2rem;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(0, 220, 154, 0.4);
  animation: pulse 2.5s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0,220,154,0.4); }
  70% { box-shadow: 0 0 0 10px rgba(0,220,154,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,220,154,0); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 1.75rem;
}
.hero-title--accent {
  color: transparent;
  -webkit-text-stroke: 1.5px var(--green);
  display: block;
}
.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--white-dim);
  font-weight: 300;
  max-width: 540px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num { font-family: var(--font-mono); font-size: 15px; font-weight: 600; color: var(--green); }
.stat-label { font-size: 11px; color: var(--white-faint); letter-spacing: 0.05em; text-transform: uppercase; }
.stat-divider { width: 1px; height: 36px; background: var(--border); }
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--white-faint);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  animation: float 3s ease-in-out infinite;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--green), transparent);
}
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  letter-spacing: 0.02em;
}
.btn--primary {
  background: var(--green);
  color: #070a0e;
  font-weight: 600;
}
.btn--primary:hover { background: #00f5ab; transform: translateY(-1px); }
.btn--ghost {
  color: var(--white-dim);
  background: transparent;
  border: 1px solid var(--border-2);
}
.btn--ghost:hover { color: var(--white); border-color: rgba(255,255,255,0.25); background: rgba(255,255,255,0.04); }
.btn--outline {
  color: var(--green);
  background: transparent;
  border: 1px solid var(--border-2);
}
.btn--outline:hover { background: var(--green-dim); border-color: var(--green); }

/* ---- SECTION COMMON ---- */
section { padding: 6rem 0; }
.section-label {
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 3rem;
}

/* ---- PROBLEM ---- */
.problem { padding: 4rem 0; background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.problem-quote { max-width: 760px; }
.quote-bar { width: 3px; height: 100%; background: var(--green); position: absolute; left: 0; top: 0; }
.problem-quote { position: relative; padding-left: 1.5rem; }
.problem-quote::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 2px; background: var(--green); }
.problem-quote blockquote {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--white-dim);
  font-weight: 300;
  font-style: italic;
  line-height: 1.75;
}

/* ---- FOR WHO ---- */
.for-who { background: var(--bg); }
.personas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.persona-card {
  background: var(--bg);
  padding: 2rem;
  transition: background 0.2s;
}
.persona-card:hover { background: var(--surface); }
.persona-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--green);
}
.persona-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.persona-card p { font-size: 14px; color: var(--white-dim); line-height: 1.65; margin-bottom: 1rem; }
.persona-threat { font-size: 11px; color: var(--orange); letter-spacing: 0.05em; opacity: 0.8; }

/* ---- HOW IT WORKS ---- */
.how-it-works { background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.hiw-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hiw-visual {
  position: relative;
}
.mesh-diagram {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
}
#diagramCanvas { width: 100%; height: 100%; }
.hiw-steps { display: flex; flex-direction: column; gap: 2.5rem; }
.hiw-step { display: flex; gap: 1.5rem; align-items: flex-start; }
.step-num {
  font-size: 12px;
  color: var(--green);
  opacity: 0.6;
  min-width: 28px;
  padding-top: 4px;
}
.step-content h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.step-content p { font-size: 14px; color: var(--white-dim); line-height: 1.7; }

/* ---- FEATURES ---- */
.features { background: var(--bg); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.feature {
  background: var(--bg);
  padding: 2rem;
  transition: background 0.2s;
}
.feature:hover { background: var(--surface); }
.feature-header { margin-bottom: 1rem; }
.feature-tag {
  font-size: 10px;
  color: var(--green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--border-2);
  border-radius: 2px;
}
.feature h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.feature p { font-size: 14px; color: var(--white-dim); line-height: 1.65; }

/* ---- MANIFESTO ---- */
.manifesto {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.manifesto-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.manifesto-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 1.75rem;
}
.manifesto-left p {
  font-size: 15px;
  color: var(--white-dim);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.manifesto-attribution {
  font-size: 13px !important;
  color: var(--white-faint) !important;
  margin-top: 1.5rem;
  margin-bottom: 2rem !important;
}
.manifesto-principles { display: flex; flex-direction: column; gap: 1.75rem; }
.principle { display: flex; gap: 1.5rem; align-items: flex-start; }
.principle-glyph {
  font-size: 13px;
  color: var(--green);
  min-width: 24px;
  padding-top: 2px;
  opacity: 0.7;
}
.principle p { font-size: 14px; color: var(--white-dim); line-height: 1.75; }
.principle p em { color: var(--green); font-style: normal; }

/* ---- TRANSPARENCY ---- */
.transparency { background: var(--bg); }
.transparency-sub {
  font-size: 15px;
  color: var(--white-dim);
  margin-top: -2rem;
  margin-bottom: 3rem;
  max-width: 500px;
}
.limitations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.limitation {
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  border-top: 2px solid rgba(249, 115, 22, 0.3);
}
.lim-icon {
  font-size: 18px;
  color: var(--orange);
  margin-bottom: 1rem;
  opacity: 0.8;
}
.limitation h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.limitation p { font-size: 13px; color: var(--white-dim); line-height: 1.7; }
.limitation p em { color: var(--white); font-style: normal; }

/* ---- QUICK START ---- */
.quickstart {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.qs-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: fit-content;
  margin-bottom: 1.5rem;
  overflow: hidden;
}
.qs-tab {
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  background: transparent;
  border: none;
  color: var(--white-dim);
  cursor: pointer;
  border-right: 1px solid var(--border);
  transition: all 0.2s;
  letter-spacing: 0.04em;
}
.qs-tab:last-child { border-right: none; }
.qs-tab.active { background: var(--green-dim); color: var(--green); }
.qs-tab:hover:not(.active) { background: var(--surface); color: var(--white); }
.qs-panel { display: none; }
.qs-panel.active { display: block; }
.code-block {
  background: #0a0f15;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--white-dim);
  overflow-x: auto;
}
.c-comment { color: rgba(0, 220, 154, 0.4); }
.c-green { color: var(--green); }
.qs-footer { display: flex; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }

/* ---- COMMUNITY ---- */
.community { background: var(--bg); }
.community-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}
.community-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  text-decoration: none;
  color: var(--white);
  transition: all 0.2s;
}
.community-card:hover {
  border-color: var(--border-2);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.cc-icon { color: var(--green); }
.community-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}
.community-card p { font-size: 14px; color: var(--white-dim); flex: 1; }
.cc-link { font-size: 11px; color: var(--green); letter-spacing: 0.05em; }

/* ---- FOOTER ---- */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}
.footer-tagline {
  font-size: 14px;
  color: var(--white-dim);
  line-height: 1.7;
  margin-top: 1rem;
  margin-bottom: 0.75rem;
}
.footer-license { font-size: 11px; color: var(--white-faint); }
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.footer-col { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col h4 {
  font-size: 12px;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.footer-col a {
  font-size: 13px;
  color: var(--white-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom span, .footer-bottom a {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--white-faint);
  text-decoration: none;
}
.footer-pgp a { color: var(--green); }

/* ================================================
   SECURITY PAGE
   ================================================ */

.page-hero {
  padding: calc(var(--nav-h) + 5rem) 0 5rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(0,220,154,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero-inner { position: relative; z-index: 1; }
.page-hero-label { font-family: var(--font-mono); font-size: 11px; color: var(--green); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 1.25rem; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.page-hero p { font-size: clamp(1rem, 2vw, 1.15rem); color: var(--white-dim); max-width: 580px; line-height: 1.75; }

.sec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 3rem; }

.algo-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-bottom: 3rem;
}
.algo-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-2);
}
.algo-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--white-dim);
  vertical-align: top;
}
.algo-table tr:last-child td { border-bottom: none; }
.algo-table tr:hover td { background: var(--surface); }
.algo-name { font-family: var(--font-mono); color: var(--green); font-size: 13px; }
.algo-status { font-size: 11px; font-family: var(--font-mono); padding: 2px 8px; border-radius: 2px; }
.algo-status--active { background: rgba(0,220,154,0.12); color: var(--green); }
.algo-status--planned { background: rgba(249,115,22,0.1); color: var(--orange); }

.threat-card {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  margin-bottom: 1rem;
}
.threat-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.threat-level {
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.08em;
}
.threat-level--high { background: rgba(226, 75, 74, 0.15); color: #e24b4a; }
.threat-level--medium { background: rgba(249,115,22,0.12); color: var(--orange); }
.threat-level--low { background: rgba(0,220,154,0.1); color: var(--green); }
.threat-card p { font-size: 14px; color: var(--white-dim); }

.disclosure-block {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 3rem;
}
.disclosure-block h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; }
.disclosure-block p { font-size: 14px; color: var(--white-dim); margin-bottom: 0.75rem; }
.disclosure-block .mono { color: var(--green); font-size: 13px; }

/* Defense in depth layers */
.defense-layers { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 3rem; }
.defense-layer {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.layer-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  min-width: 32px;
  padding-top: 2px;
  opacity: 0.7;
}
.layer-content h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.layer-content p { font-size: 14px; color: var(--white-dim); line-height: 1.7; }
.layer-content .mono { font-size: 12px; color: var(--green); }

/* ================================================
   ABOUT PAGE
   ================================================ */

.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: var(--border-2); }
.timeline-item { position: relative; padding-bottom: 2.5rem; }
.timeline-item::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  transform: translateX(-3.5px);
}
.timeline-date { font-family: var(--font-mono); font-size: 11px; color: var(--green); letter-spacing: 0.08em; margin-bottom: 0.5rem; }
.timeline-item h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.timeline-item p { font-size: 14px; color: var(--white-dim); }

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.team-card {
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.team-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}
.team-role { font-size: 13px; color: var(--green); margin-bottom: 0.5rem; }
.team-card p { font-size: 13px; color: var(--white-dim); }
.team-card a { color: var(--green); text-decoration: none; font-size: 13px; }
.team-card a:hover { text-decoration: underline; }

.gcd4f-block {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 3rem;
}
.gcd4f-block h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1rem;
}
.gcd4f-block p { font-size: 14px; color: var(--white-dim); margin-bottom: 0.75rem; line-height: 1.7; }
.sdg-badges { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1rem; }
.sdg-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border-2);
  color: var(--green);
  background: var(--green-dim);
}

.manifesto-full { max-width: 740px; }
.manifesto-full h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--white); margin: 3rem 0 1rem; }
.manifesto-full h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; color: var(--white); margin: 2rem 0 0.75rem; }
.manifesto-full p { font-size: 15px; color: var(--white-dim); line-height: 1.85; margin-bottom: 1rem; }
.manifesto-full blockquote {
  border-left: 2px solid var(--green);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--white-dim);
}

.tech-badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.tech-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border-2);
  color: var(--green);
  background: var(--green-dim);
}

/* ================================================
   DOWNLOAD PAGE
   ================================================ */

.download-hero { padding: calc(var(--nav-h) + 5rem) 0 4rem; background: var(--bg); }
.dl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.dl-card {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.dl-card--primary { border-color: var(--border-2); }
.dl-platform { display: flex; align-items: center; gap: 12px; }
.dl-platform-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
}
.dl-platform h3 { font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; }
.dl-platform p { font-size: 12px; color: var(--white-faint); font-family: var(--font-mono); }
.dl-version { font-family: var(--font-mono); font-size: 11px; color: var(--green); }
.dl-size { font-family: var(--font-mono); font-size: 11px; color: var(--white-faint); }
.dl-card .btn { margin-top: auto; }

.status-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.06em;
}
.status-badge--active { background: rgba(0,220,154,0.12); color: var(--green); }
.status-badge--planned { background: rgba(249,115,22,0.1); color: var(--orange); }

.verify-block {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}
.verify-block h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.verify-block p { font-size: 14px; color: var(--white-dim); margin-bottom: 1rem; }

.sysreq-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-bottom: 3rem;
}
.sysreq-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-2);
}
.sysreq-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--white-dim);
}
.sysreq-table tr:last-child td { border-bottom: none; }

/* ---- CARD HINT ---- */
.card-hint {
  font-size: 11px;
  color: var(--green);
  opacity: 0.5;
  display: block;
  margin-top: 0.5rem;
  transition: opacity 0.2s;
}
.persona-card:hover .card-hint,
.feature:hover .card-hint,
.limitation:hover .card-hint {
  opacity: 0.8;
}

/* ---- DIAGRAM CAPTION ---- */
.diagram-caption {
  font-size: 11px;
  color: var(--white-faint);
  text-align: center;
  padding: 0.75rem 0 0;
}

/* ---- SECTION SUBTITLE ---- */
.section-subtitle {
  font-size: 15px;
  color: var(--white-dim);
  margin-top: -2rem;
  margin-bottom: 3rem;
  max-width: 500px;
}

/* ================================================
   MODAL SYSTEM
   ================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}
.modal {
  background: var(--bg-2);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2.5rem;
  position: relative;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.25s ease;
}
.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--white-dim);
  font-size: 20px;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1;
}
.modal-close:hover {
  background: var(--surface-2);
  color: var(--white);
  border-color: var(--border-2);
}
.modal-icon {
  width: 52px;
  height: 52px;
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  margin-bottom: 1.25rem;
}
.modal-tag {
  display: inline-block;
  font-size: 10px;
  color: var(--green);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 8px;
  border: 1px solid var(--border-2);
  border-radius: 2px;
  margin-bottom: 1rem;
}
.modal h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}
.modal-body h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}
.modal-body h3:first-child {
  margin-top: 0;
}
.modal-body p {
  font-size: 14px;
  color: var(--white-dim);
  line-height: 1.75;
  margin-bottom: 0.75rem;
}
.modal-body ul {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
}
.modal-body ul li {
  font-size: 14px;
  color: var(--white-dim);
  line-height: 1.7;
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.5rem;
}
.modal-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
}
.modal-body ul li strong {
  color: var(--white);
  font-weight: 500;
}
.modal-body code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--surface);
  padding: 1px 5px;
  border-radius: 2px;
  color: var(--green);
}
.modal-tech-note {
  font-size: 11px;
  color: var(--green);
  padding: 0.75rem 1rem;
  background: var(--green-dim);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  margin-top: 1.5rem;
  letter-spacing: 0.04em;
}
.modal-cta {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

/* ---- SCROLL ANIMATIONS ---- */
.fade-in {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================
   DOCS PAGE
   ================================================ */

.doc-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.doc-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  text-decoration: none;
  color: var(--white);
  transition: all 0.2s;
}
.doc-card:hover {
  border-color: var(--border-2);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.doc-card-icon { color: var(--green); }
.doc-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}
.doc-card p { font-size: 14px; color: var(--white-dim); flex: 1; }
.doc-card-link { font-size: 11px; color: var(--green); letter-spacing: 0.05em; }

.docs-content-section {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}
.docs-content-section:first-of-type { border-top: none; }
.docs-content-section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.5rem;
}
.docs-content-section h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  margin: 2rem 0 0.75rem;
}
.docs-content-section p {
  font-size: 14px;
  color: var(--white-dim);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.docs-content-section ul {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}
.docs-content-section ul li {
  font-size: 14px;
  color: var(--white-dim);
  line-height: 1.7;
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.5rem;
}
.docs-content-section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
}

/* ================================================
   RESPONSIVE
   ================================================ */

/* Mobile touch targets — minimum 44px for accessibility */
@media (hover: none) and (pointer: coarse) {
  .nav-link { min-height: 44px; display: flex; align-items: center; }
  .nav-link--gh { min-height: 44px; }
  .btn { min-height: 44px; }
  .qs-tab { min-height: 44px; }
  .modal-close { min-width: 44px; min-height: 44px; }
  .persona-card { min-height: 44px; }
  .feature { min-height: 44px; }
  .community-card { min-height: 44px; }
  .limitation { min-height: 44px; }
  .doc-card { min-height: 44px; }
  .nav-mobile a { min-height: 48px; display: flex; align-items: center; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; min-width: 44px; min-height: 44px; }
  .hiw-grid { grid-template-columns: 1fr; }
  .hiw-visual { order: -1; }
  .manifesto-inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 3rem; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .sec-grid { grid-template-columns: 1fr; }
  .modal { padding: 2rem 1.5rem; }
}

@media (max-width: 640px) {
  .container { padding: 0 1.25rem; }
  section { padding: 4rem 0; }
  .hero-stats { gap: 1.25rem; }
  .stat-divider { display: none; }
  .footer-links { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .personas-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .limitations-grid { grid-template-columns: 1fr; }
  .community-grid { grid-template-columns: 1fr; }
  .dl-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .team-grid { grid-template-columns: 1fr; }
  .qs-tabs { width: 100%; }
  .qs-tab { flex: 1; text-align: center; }
  .modal-overlay { padding: 1rem; }
  .modal { padding: 1.5rem; max-height: 90vh; }
  .modal h2 { font-size: 1.25rem; }
  .modal-cta { flex-direction: column; }
  .modal-cta .btn { text-align: center; justify-content: center; }
  .doc-cards-grid { grid-template-columns: 1fr; }
}