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

:root {
  --bg: #0a0a0f;
  --bg-2: #0d0d18;
  --bg-3: #111120;
  --bg-card: #0f0f1c;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.13);
  --text: #eaeaf4;
  --text-dim: #6b6b85;
  --text-muted: #35354a;
  --accent: #7c6aff;
  --accent-2: #a78bfa;
  --green: #34d399;
  --yellow: #fbbf24;
  --red: #f87171;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --sans: 'Inter', system-ui, sans-serif;
  --display: 'Inter', system-ui, sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Matrix canvas ── */
#matrixCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.035;
}

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,15,0.85);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 5px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.logo-greek {
  font-size: 22px;
  color: var(--accent-2);
  line-height: 1;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-github {
  display: flex !important;
  align-items: center;
  gap: 7px;
  background: var(--bg-3) !important;
  border: 1px solid var(--border) !important;
  padding: 6px 14px !important;
  border-radius: 999px !important;
  font-size: 13px !important;
  transition: border-color 0.2s, background 0.2s !important;
}
.nav-github:hover {
  background: var(--bg-card) !important;
  border-color: var(--border-hover) !important;
  color: var(--text) !important;
}

/* ── Shared ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
h2 {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.section-sub {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 600px;
  line-height: 1.65;
  margin-bottom: 52px;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  padding: 11px 28px;
  border-radius: 999px;
  transition: opacity 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 0 40px rgba(124,106,255,0.35);
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 0 60px rgba(124,106,255,0.5);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-dim);
  text-decoration: none;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  padding: 11px 24px;
  border-radius: 999px;
  border: 1px solid var(--border);
  transition: color 0.2s, border-color 0.2s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-hover); }

/* ── Terminal ── */
.terminal-window {
  background: #080812;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 32px 72px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.04);
}
.terminal-titlebar {
  display: flex;
  align-items: center;
  padding: 11px 16px;
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--border);
  gap: 10px;
}
.terminal-dots { display: flex; gap: 6px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28ca41; }
.terminal-title {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  margin: 0 auto;
  letter-spacing: 0.04em;
}
.terminal-body {
  padding: 20px 20px 24px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.75;
  min-height: 180px;
}
.term-line { display: flex; align-items: baseline; gap: 8px; }
.term-line.mt { margin-top: 10px; }
.term-line.output { padding-left: 22px; }
.term-line.dim { color: var(--text-dim); }
.prompt { color: var(--accent); font-weight: 600; flex-shrink: 0; }
.cmd { color: var(--text); }
.comment { color: var(--text-muted); }
.str { color: var(--green); }
.mneia-prompt { color: var(--accent-2); font-weight: 600; }
.inline-icon { vertical-align: middle; color: var(--green); flex-shrink: 0; }
.cursor-blink {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

/* ── Hero ── */
.hero {
  position: relative;
  padding: 150px 24px 80px;
  overflow: hidden;
  z-index: 1;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, black 20%, transparent 100%);
}
.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
}
.glow-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(124,106,255,0.4) 0%, transparent 70%);
  top: -280px; left: 50%;
  transform: translateX(-50%);
  animation: glowPulse 8s ease-in-out infinite;
}
.glow-2 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(167,139,250,0.2) 0%, transparent 70%);
  bottom: 60px; right: 8%;
  animation: glowPulse 11s ease-in-out infinite reverse;
}
@keyframes glowPulse {
  0%,100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.07); }
}
.glow-2 { animation: glowPulse2 11s ease-in-out infinite reverse; }
@keyframes glowPulse2 {
  0%,100% { opacity: 0.6; }
  50% { opacity: 1; }
}
.hero-inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  background: rgba(124,106,255,0.07);
  border: 1px solid rgba(124,106,255,0.18);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}
.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; box-shadow: 0 0 0 0 rgba(52,211,153,0.5); }
  50% { opacity: 0.8; box-shadow: 0 0 0 5px rgba(52,211,153,0); }
}
h1 {
  font-family: var(--display);
  font-size: clamp(56px, 8vw, 96px);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 24px;
}
.hero-greek {
  background: linear-gradient(135deg, #c4b5fd, #7c6aff, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}
.hero-sub { color: var(--text); }
.hero-desc {
  font-size: 18px;
  color: var(--text-dim);
  line-height: 1.55;
  max-width: 680px;
  margin-bottom: 36px;
}
.hero-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.terminal-hero {
  max-width: 680px;
  margin: 72px auto 0;
  position: relative;
  z-index: 1;
}
.terminal-hero::before {
  content: '';
  position: absolute;
  inset: -30px;
  background: radial-gradient(ellipse at center, rgba(124,106,255,0.1), transparent 70%);
  pointer-events: none;
}

/* ── Etymology ── */
.etymology {
  padding: 0 24px 80px;
  position: relative;
  z-index: 1;
}
.etym-card {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 52px;
  display: flex;
  gap: 52px;
  align-items: flex-start;
}
.etym-greek {
  font-family: 'Georgia', serif;
  font-size: 88px;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, #c4b5fd, #7c6aff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  animation: subtleFloat 6s ease-in-out infinite;
}
@keyframes subtleFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.etym-pronunciation {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.etym-def {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.etym-lang {
  font-size: 11px;
  font-weight: 600;
  background: rgba(124,106,255,0.12);
  color: var(--accent-2);
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.etym-meaning {
  font-family: var(--sans);
  font-size: 16px;
  color: var(--text);
  font-style: italic;
  font-weight: 500;
}
.etym-text {
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.75;
}
.etym-text em { color: var(--accent-2); font-style: normal; font-weight: 500; }

/* ── Features ── */
.features {
  padding: 100px 24px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(124,106,255,0.4), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.feature-card:hover {
  border-color: rgba(124,106,255,0.2);
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3), 0 0 0 1px rgba(124,106,255,0.08);
}
.feature-card:hover::before { opacity: 1; }
.feature-card-wide { grid-column: span 2; }
.feature-icon-svg {
  width: 42px; height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124,106,255,0.1);
  border: 1px solid rgba(124,106,255,0.18);
  border-radius: 10px;
  margin-bottom: 18px;
  color: var(--accent-2);
}
.feature-card h3 {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}
.feature-card code {
  font-family: var(--mono);
  font-size: 11.5px;
  background: rgba(124,106,255,0.1);
  color: var(--accent-2);
  padding: 1px 6px;
  border-radius: 4px;
}
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.feature-tags span {
  font-size: 11px;
  font-family: var(--mono);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 3px 10px;
  border-radius: 999px;
  transition: color 0.2s, border-color 0.2s;
}
.feature-tags span:hover { color: var(--accent-2); border-color: rgba(124,106,255,0.25); }

/* ── How it works / Demo ── */
.how-it-works {
  padding: 100px 24px;
  position: relative;
  z-index: 1;
}
.demo-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 20px;
  align-items: start;
}
.demo-commands { display: flex; flex-direction: column; gap: 5px; }
.demo-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s, border-color 0.2s;
  width: 100%;
}
.demo-btn:hover {
  background: rgba(255,255,255,0.025);
  border-color: var(--border);
}
.demo-btn.active {
  background: rgba(124,106,255,0.08);
  border-color: rgba(124,106,255,0.22);
}
.demo-cmd {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-2);
}
.demo-desc { font-size: 11.5px; color: var(--text-dim); }
.demo-terminal .terminal-body { min-height: 320px; }

/* ── Architecture ── */
.architecture {
  padding: 100px 24px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.arch-grid {
  display: flex;
  align-items: stretch;
  gap: 0;
  overflow-x: auto;
  padding: 32px 0;
  flex-wrap: nowrap;
}
.arch-item {
  flex: 1;
  min-width: 150px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}
.arch-item:hover {
  border-color: rgba(124,106,255,0.2);
  transform: translateY(-2px);
}
.arch-icon-svg {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--accent-2);
}
.arch-name { font-family: var(--display); font-size: 14px; font-weight: 700; margin-bottom: 8px; }
.arch-desc { font-size: 12px; color: var(--text-dim); line-height: 1.5; }
.arch-arrow {
  color: var(--text-muted);
  padding: 0 10px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.arch-stores {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
  justify-content: center;
}
.store-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  color: var(--text-dim);
  transition: border-color 0.2s, color 0.2s;
}
.store-item:hover { border-color: var(--border-hover); color: var(--text); }

/* ── Connectors ── */
.connectors {
  padding: 100px 24px;
  position: relative;
  z-index: 1;
}
.connector-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.connector-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
  cursor: default;
}
.connector-chip:hover {
  border-color: rgba(124,106,255,0.25);
  background: rgba(124,106,255,0.05);
  color: var(--text);
}
.connector-chip svg { color: var(--accent-2); }
.connector-note {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Install ── */
.install {
  padding: 100px 24px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1;
}
.install-tabs {
  display: flex;
  gap: 3px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  width: fit-content;
  margin-bottom: 22px;
}
.install-tab {
  background: transparent;
  border: none;
  border-radius: 6px;
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--sans);
  transition: background 0.2s, color 0.2s;
}
.install-tab.active {
  background: rgba(124,106,255,0.15);
  color: var(--accent-2);
}
.install-tab:hover:not(.active) { color: var(--text); }
.install-panel { display: none; }
.install-panel.active { display: block; }
.install-terminal { max-width: 780px; }
.install-terminal .terminal-body { min-height: 240px; }

/* ── Principles ── */
.principles {
  padding: 100px 24px 80px;
  position: relative;
  z-index: 1;
}
.principles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.principle-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  overflow: hidden;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  transition: border-color 0.25s, transform 0.25s;
}
.principle-card:hover {
  border-color: rgba(124,106,255,0.2);
  transform: translateY(-2px);
}
.principle-number {
  font-family: var(--mono);
  font-size: 52px;
  font-weight: 700;
  color: rgba(124,106,255,0.1);
  line-height: 1;
  flex-shrink: 0;
  letter-spacing: -0.04em;
  user-select: none;
  transition: color 0.3s;
}
.principle-card:hover .principle-number {
  color: rgba(124,106,255,0.2);
}
.principle-body { flex: 1; }
.principle-icon-svg {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(124,106,255,0.1);
  border: 1px solid rgba(124,106,255,0.16);
  border-radius: 10px;
  margin-bottom: 16px;
  color: var(--accent-2);
}
.principle-body h3 {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}
.principle-body p {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.7;
}
.principle-bar {
  height: 2px;
  background: linear-gradient(90deg, rgba(124,106,255,0.5), transparent);
  margin-top: 20px;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}
.principle-card:hover .principle-bar { transform: scaleX(1); }

.principles-manifesto {
  max-width: 820px;
  margin: 0 auto;
}
.principles-manifesto blockquote {
  font-family: 'Georgia', serif;
  font-size: clamp(17px, 2.2vw, 22px);
  font-style: italic;
  line-height: 1.7;
  color: var(--text-dim);
  padding: 36px 48px;
  border-left: 3px solid rgba(124,106,255,0.4);
  background: rgba(124,106,255,0.04);
  border-radius: 0 var(--radius) var(--radius) 0;
  position: relative;
}
.principles-manifesto blockquote::before {
  content: '"';
  font-size: 120px;
  color: rgba(124,106,255,0.08);
  font-family: 'Georgia', serif;
  position: absolute;
  top: -20px; left: 12px;
  line-height: 1;
  pointer-events: none;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  background: var(--bg-2);
  padding: 60px 24px 32px;
  position: relative;
  z-index: 1;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.footer-left p {
  font-size: 14px;
  color: var(--text-dim);
  margin-top: 10px;
  line-height: 1.6;
}
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 14px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 12px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--mono);
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature-card-wide { grid-column: span 2; }
  .principles-grid { grid-template-columns: 1fr; }
  .arch-arrow { display: none; }
  .arch-grid { flex-wrap: wrap; }
  .arch-item { min-width: 140px; }
  .demo-layout { grid-template-columns: 1fr; }
  .demo-commands { flex-direction: row; flex-wrap: wrap; }
  .demo-btn { width: auto; flex-direction: row; align-items: center; gap: 8px; }
  .etym-card { flex-direction: column; gap: 24px; padding: 32px; }
  .etym-greek { font-size: 64px; }
}

@media (max-width: 620px) {
  .features-grid { grid-template-columns: 1fr; }
  .feature-card-wide { grid-column: span 1; }
  h1 { font-size: 48px; }
  .hero-desc { font-size: 16px; }
  .nav-links a:not(.nav-github) { display: none; }
.principles-manifesto blockquote { padding: 24px 24px 24px 32px; }
  .principle-card { flex-direction: column; gap: 0; }
  .principle-number { font-size: 36px; margin-bottom: 8px; }
}