/* ═══════════════════════════════════════════════════════════════════════
   Nexa — Harness Native Agent Language — Global Stylesheet v2
   Design System: Deep Space Tech
   ═══════════════════════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --bg-deep: #06060f;
  --bg-primary: #0a0a1a;
  --bg-secondary: #0d1117;
  --bg-card: rgba(255, 255, 255, 0.025);
  --bg-card-hover: rgba(255, 255, 255, 0.05);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(108, 92, 231, 0.3);
  --accent-primary: #6c5ce7;
  --accent-primary-glow: rgba(108, 92, 231, 0.4);
  --accent-secondary: #00d4ff;
  --accent-secondary-glow: rgba(0, 212, 255, 0.3);
  --accent-gradient: linear-gradient(135deg, #6c5ce7 0%, #00d4ff 100%);
  --accent-gradient-warm: linear-gradient(135deg, #6c5ce7 0%, #a855f7 50%, #00d4ff 100%);
  --text-primary: #ffffff;
  --text-secondary: #a0a0b8;
  --text-tertiary: #6b6b80;
  --text-accent: #a78bfa;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --section-gap: 160px;
  --content-max: 1200px;
  --nav-height: 72px;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: blur(20px);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 800ms;
}

/* ── Reset & Base ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-secondary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Canvas Background ── */
#particles-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }

/* ═══════════════════════════════════════════════════════════════════════
   NAVIGATION v2 — Dropdown Menus + Nexa⁺ Panel
   ═══════════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  display: flex; align-items: center;
  transition: background var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo);
}
.nav.scrolled {
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: 0 1px 0 var(--border-subtle);
}
.nav-inner {
  max-width: var(--content-max); width: 100%; margin: 0 auto;
  padding: 0 32px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px; text-decoration: none;
  color: var(--text-primary); font-family: var(--font-display);
  font-weight: 700; font-size: 1.2rem; letter-spacing: -0.02em;
}
.nav-logo img { height: 28px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }

/* Nav items */
.nav-item { position: relative; }
.nav-item > a, .nav-item > button {
  display: flex; align-items: center; gap: 4px;
  padding: 8px 14px; border-radius: 8px;
  color: var(--text-secondary); text-decoration: none;
  font-size: 0.88rem; font-weight: 500; font-family: var(--font-body);
  background: none; border: none; cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast);
}
.nav-item > a:hover, .nav-item > button:hover { color: var(--text-primary); background: var(--bg-card); }
.nav-item > a .chevron, .nav-item > button .chevron {
  font-size: 0.6rem; transition: transform var(--duration-fast);
}
.nav-item:hover > a .chevron, .nav-item:hover > button .chevron { transform: rotate(180deg); }

/* Dropdown */
.nav-dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 200px; padding: 8px;
  background: rgba(15, 15, 30, 0.95);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border); border-radius: 14px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  opacity: 0; visibility: hidden;
  transition: opacity var(--duration-fast), transform var(--duration-fast), visibility var(--duration-fast);
  z-index: 1001;
}
.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(4px); }
.nav-dropdown a {
  display: block; padding: 10px 16px; border-radius: 8px;
  color: var(--text-secondary); text-decoration: none;
  font-size: 0.85rem; font-weight: 500;
  transition: color var(--duration-fast), background var(--duration-fast);
}
.nav-dropdown a:hover { color: var(--text-primary); background: var(--bg-card-hover); }

/* Nexa⁺ badge */
.nav-plus {
  font-size: 0.65rem; vertical-align: super; color: var(--accent-primary);
  font-weight: 700; margin-left: 1px;
}

/* Nexa⁺ Mega Panel */
.nexa-plus-panel {
  position: fixed; top: var(--nav-height); left: 0; right: 0;
  background: rgba(10, 10, 26, 0.97);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.6);
  padding: 48px 32px;
  opacity: 0; visibility: hidden;
  transform: translateY(-12px);
  transition: opacity var(--duration-normal), transform var(--duration-normal), visibility var(--duration-normal);
  z-index: 999;
}
.nexa-plus-panel.open { opacity: 1; visibility: visible; transform: translateY(0); }
.nexa-plus-inner {
  max-width: var(--content-max); margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.nexa-plus-card {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px; border-radius: 14px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  text-decoration: none; color: inherit;
  transition: border-color var(--duration-fast), background var(--duration-fast), transform var(--duration-fast);
}
.nexa-plus-card:hover { border-color: var(--border-glow); background: var(--bg-card-hover); transform: translateY(-2px); }
.nexa-plus-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--accent-gradient); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px var(--accent-primary-glow);
}
.nexa-plus-icon i { width: 20px; height: 20px; stroke: #fff; color: #fff; }
.nexa-plus-info h4 { font-family: var(--font-display); font-size: 0.95rem; color: var(--text-primary); margin-bottom: 4px; }
.nexa-plus-info p { font-size: 0.8rem; color: var(--text-tertiary); line-height: 1.4; }

/* Mobile nav */
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; z-index: 1001; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: transform var(--duration-fast), opacity var(--duration-fast); }

/* ═══════════════════════════════════════════════════════════════════════
   HERO v2 — Left Text + Right Code
   ═══════════════════════════════════════════════════════════════════════ */
.hero {
  position: relative; z-index: 1;
  min-height: 100vh; display: flex; align-items: center;
  padding: 100px 32px 80px;
}
.hero-inner {
  max-width: var(--content-max); width: 100%; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.hero-left { display: flex; flex-direction: column; }
.hero-logo { width: 80px; height: auto; margin-bottom: 28px; filter: drop-shadow(0 0 30px var(--accent-primary-glow)); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 100px;
  background: var(--glass-bg); border: 1px solid var(--border-subtle);
  font-size: 0.78rem; color: var(--text-accent); margin-bottom: 24px;
  backdrop-filter: var(--glass-blur); width: fit-content;
}
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-secondary); box-shadow: 0 0 8px var(--accent-secondary-glow); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  font-weight: 700; color: var(--text-primary);
  line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 24px;
}
.hero h1 .gradient-text {
  background: var(--accent-gradient-warm);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem; color: var(--text-secondary);
  max-width: 520px; margin-bottom: 36px; line-height: 1.65;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 24px; }
.hero-install {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 10px 20px; border-radius: 10px;
  background: rgba(0, 0, 0, 0.5); border: 1px solid var(--glass-border);
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-secondary);
  width: fit-content;
}
.hero-install .copy-btn {
  background: none; border: none; color: var(--accent-primary);
  cursor: pointer; font-size: 0.8rem; padding: 4px 8px; border-radius: 6px;
  transition: background var(--duration-fast);
}
.hero-install .copy-btn:hover { background: var(--bg-card-hover); }

/* Hero Right — Code Demo */
.hero-right { position: relative; }
.hero-code {
  position: relative; border-radius: 16px;
  background: rgba(0, 0, 0, 0.6); border: 1px solid var(--glass-border);
  overflow: hidden; box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}
.hero-code-header {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 18px; background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
}
.hero-code-dot { width: 10px; height: 10px; border-radius: 50%; }
.hero-code-dot.r { background: #ff5f57; } .hero-code-dot.y { background: #febc2e; } .hero-code-dot.g { background: #28c840; }
.hero-code-label { margin-left: 8px; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-tertiary); }
.hero-code pre {
  padding: 20px; margin: 0; overflow-x: auto;
  font-family: var(--font-mono); font-size: 0.78rem; line-height: 1.75; color: #e0e0e0;
}
.hero-code .kw { color: #c792ea; } .hero-code .str { color: #c3e88d; }
.hero-code .cm { color: #546e7a; font-style: italic; } .hero-code .fn { color: #82aaff; }
.hero-code .tp { color: #ffcb6b; } .hero-code .op { color: #89ddff; }

/* Code annotations */
.hero-annotations { position: absolute; top: 0; left: 0; right: 0; bottom: 0; pointer-events: none; }
.hero-anno {
  position: absolute; display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.8rem; color: var(--text-accent); font-family: var(--font-body);
  font-weight: 500;
  opacity: 0; animation: annoIn 0.6s var(--ease-out-expo) forwards;
}
.hero-anno:nth-child(1) { top: 22%; right: -220px; animation-delay: 0.8s; }
.hero-anno:nth-child(2) { top: 48%; right: -220px; animation-delay: 1.2s; }
.hero-anno:nth-child(3) { top: 72%; right: -220px; animation-delay: 1.6s; }
.hero-anno-line {
  width: 50px; height: 1px; background: var(--accent-primary); margin-top: 9px; flex-shrink: 0;
}
.hero-anno-dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent-primary);
  box-shadow: 0 0 8px var(--accent-primary-glow); flex-shrink: 0; margin-top: 6px;
}
@keyframes annoIn { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: translateX(0); } }

/* ═══════════════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 12px;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  text-decoration: none; cursor: pointer; border: none;
  transition: transform var(--duration-fast), box-shadow var(--duration-fast), background var(--duration-fast);
}
.btn-primary { background: var(--accent-gradient); color: #fff; box-shadow: 0 4px 24px var(--accent-primary-glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--accent-primary-glow); }
.btn-secondary { background: var(--glass-bg); color: var(--text-primary); border: 1px solid var(--glass-border); backdrop-filter: var(--glass-blur); }
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--border-glow); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--text-secondary); padding: 8px 16px; }
.btn-ghost:hover { color: var(--text-primary); }

/* ═══════════════════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════════════════ */
.section { position: relative; z-index: 1; padding: var(--section-gap) 32px; }
.section-inner { max-width: var(--content-max); margin: 0 auto; }
.section-label { font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--accent-primary); margin-bottom: 16px; }
.section-title { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; color: var(--text-primary); letter-spacing: -0.02em; margin-bottom: 20px; line-height: 1.2; }
.section-desc { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin-bottom: 64px; line-height: 1.7; }

/* ═══════════════════════════════════════════════════════════════════════
   FEATURE CARDS
   ═══════════════════════════════════════════════════════════════════════ */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  position: relative; padding: 40px 32px; border-radius: 16px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  transition: transform var(--duration-normal) var(--ease-out-expo), border-color var(--duration-normal), box-shadow var(--duration-normal);
  overflow: hidden;
}
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--accent-gradient); opacity: 0; transition: opacity var(--duration-normal); }
.feature-card:hover { transform: translateY(-4px); border-color: var(--border-glow); box-shadow: 0 16px 48px rgba(108, 92, 231, 0.1); }
.feature-card:hover::before { opacity: 1; }
.feature-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--accent-gradient); display: flex; align-items: center; justify-content: center; margin-bottom: 24px; box-shadow: 0 4px 16px var(--accent-primary-glow); }
.feature-icon i { width: 24px; height: 24px; stroke: #fff; color: #fff; }
.feature-card h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--text-primary); margin-bottom: 12px; letter-spacing: -0.01em; }
.feature-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════════════════
   CODE DEMO
   ═══════════════════════════════════════════════════════════════════════ */
.code-demo { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.code-block {
  position: relative; border-radius: 16px;
  background: rgba(0, 0, 0, 0.5); border: 1px solid var(--glass-border); overflow: hidden;
}
.code-block-header { display: flex; align-items: center; gap: 8px; padding: 14px 20px; background: rgba(255, 255, 255, 0.03); border-bottom: 1px solid var(--border-subtle); }
.code-dot { width: 10px; height: 10px; border-radius: 50%; }
.code-dot.red { background: #ff5f57; } .code-dot.yellow { background: #febc2e; } .code-dot.green { background: #28c840; }
.code-block-label { margin-left: 8px; font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-tertiary); }
.code-block pre { padding: 24px; margin: 0; overflow-x: auto; font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.7; color: #e0e0e0; }
.code-block .keyword { color: #c792ea; } .code-block .string { color: #c3e88d; }
.code-block .comment { color: #546e7a; font-style: italic; } .code-block .function { color: #82aaff; }
.code-block .type { color: #ffcb6b; } .code-block .operator { color: #89ddff; }

/* Code explanation cards — floating, bordered, prominent */
.code-explain {
  margin: 20px 0 0 0; padding: 0;
  display: flex; flex-direction: column; gap: 12px;
}
.code-explain-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 20px; border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--border-glow);
  backdrop-filter: var(--glass-blur);
  font-size: 0.84rem; color: var(--text-secondary); line-height: 1.55;
  transition: border-color var(--duration-fast), background var(--duration-fast);
}
.code-explain-item:hover { border-color: var(--accent-primary); background: var(--bg-card-hover); }
.code-explain-item i { width: 20px; height: 20px; stroke: var(--accent-primary); color: var(--accent-primary); flex-shrink: 0; margin-top: 1px; }
.code-explain-item strong { color: var(--text-primary); font-weight: 600; display: block; margin-bottom: 2px; }
.code-explain-item code { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-accent); background: rgba(108,92,231,0.12); padding: 1px 6px; border-radius: 4px; }

/* ═══════════════════════════════════════════════════════════════════════
   ARCHITECTURE DIAGRAM v2 — Icons + No Wrap
   ═══════════════════════════════════════════════════════════════════════ */
.arch-diagram {
  display: flex; align-items: center; justify-content: center; gap: 0;
  padding: 60px 0; flex-wrap: nowrap; overflow-x: auto;
}
.arch-node {
  flex-shrink: 0; min-width: 140px;
  padding: 28px 24px; border-radius: 16px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur); text-align: center;
  transition: border-color var(--duration-normal), transform var(--duration-normal);
}
.arch-node:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.arch-node-icon {
  width: 48px; height: 48px; border-radius: 12px; margin: 0 auto 12px;
  background: var(--accent-gradient);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px var(--accent-primary-glow);
}
.arch-node-icon i { width: 24px; height: 24px; stroke: #fff; color: #fff; }
.arch-node h4 { font-family: var(--font-display); font-size: 0.9rem; color: var(--text-primary); margin-bottom: 4px; }
.arch-node p { font-size: 0.72rem; color: var(--text-tertiary); }
.arch-arrow {
  flex-shrink: 0; font-size: 1.3rem; color: var(--accent-primary);
  margin: 0 10px; animation: arrowPulse 2s ease-in-out infinite;
}
@keyframes arrowPulse { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ═══════════════════════════════════════════════════════════════════════
   STATS
   ═══════════════════════════════════════════════════════════════════════ */
.stats-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 60px 0; }
.stat-item { text-align: center; padding: 32px 16px; border-radius: 16px; background: var(--glass-bg); border: 1px solid var(--glass-border); backdrop-filter: var(--glass-blur); }
.stat-number { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 8px; }
.stat-label { font-size: 0.85rem; color: var(--text-secondary); }

/* ═══════════════════════════════════════════════════════════════════════
   CTA
   ═══════════════════════════════════════════════════════════════════════ */
.cta-section { text-align: center; padding: 120px 32px; }
.cta-section h2 { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); color: var(--text-primary); margin-bottom: 20px; }
.cta-section p { color: var(--text-secondary); margin-bottom: 40px; font-size: 1.1rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ═══════════════════════════════════════════════════════════════════════
   FOOTER v2 — 4 Columns
   ═══════════════════════════════════════════════════════════════════════ */
.footer {
  position: relative; z-index: 1;
  padding: 80px 32px 40px; border-top: 1px solid var(--border-subtle);
}
.footer-grid {
  max-width: var(--content-max); margin: 0 auto 48px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px;
}
.footer-col h4 {
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 600;
  color: var(--text-primary); margin-bottom: 20px; letter-spacing: 0.02em;
}
.footer-col a {
  display: block; color: var(--text-tertiary); text-decoration: none;
  font-size: 0.85rem; margin-bottom: 10px; transition: color var(--duration-fast);
}
.footer-col a:hover { color: var(--text-primary); }
.footer-col .footer-contact {
  color: var(--text-secondary); font-size: 0.85rem;
  font-family: var(--font-mono);
}
.footer-bottom {
  max-width: var(--content-max); margin: 0 auto; padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { height: 22px; width: auto; }
.footer-brand span { font-family: var(--font-display); font-weight: 600; color: var(--text-primary); font-size: 0.9rem; }
.footer-copy { font-size: 0.78rem; color: var(--text-tertiary); }

/* ═══════════════════════════════════════════════════════════════════════
   BLOG v3 — Grid Cards + Left Timeline
   ═══════════════════════════════════════════════════════════════════════ */
.blog-header { position: relative; z-index: 1; padding: 160px 32px 60px; text-align: center; }
.blog-header h1 { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4rem); color: var(--text-primary); margin-bottom: 16px; }
.blog-header p { color: var(--text-secondary); font-size: 1.1rem; }

.blog-layout {
  position: relative; z-index: 1;
  max-width: var(--content-max); margin: 0 auto; padding: 0 32px 120px;
  display: grid; grid-template-columns: 200px 1fr; gap: 40px; align-items: start;
}

/* Left timeline */
.blog-timeline-side {
  position: sticky; top: 100px;
}
.blog-timeline-side h3 {
  font-family: var(--font-display); font-size: 0.9rem; color: var(--text-primary); margin-bottom: 20px;
}
.timeline-side { display: flex; flex-direction: column; gap: 0; }
.timeline-side-item {
  display: flex; gap: 12px; padding: 10px 0; border-left: 2px solid var(--border-subtle);
  padding-left: 16px; position: relative;
}
.timeline-side-item::before {
  content: ''; position: absolute; left: -4px; top: 15px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent-primary);
}
.timeline-side-date { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-tertiary); flex-shrink: 0; width: 55px; }
.timeline-side-item a { color: var(--text-secondary); text-decoration: none; font-size: 0.78rem; transition: color var(--duration-fast); line-height: 1.3; }
.timeline-side-item a:hover { color: var(--text-primary); }

/* Right content area */
.blog-content { min-width: 0; }

.blog-toolbar {
  display: flex; gap: 12px; align-items: center; margin-bottom: 32px;
}
.blog-search {
  flex: 1; padding: 10px 16px; border-radius: 10px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  color: var(--text-primary); font-family: var(--font-body); font-size: 0.9rem;
  outline: none; transition: border-color var(--duration-fast);
}
.blog-search:focus { border-color: var(--border-glow); }
.blog-search::placeholder { color: var(--text-tertiary); }
.blog-sort {
  padding: 10px 16px; border-radius: 10px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  color: var(--text-secondary); font-family: var(--font-body); font-size: 0.85rem;
  cursor: pointer; outline: none;
}

/* Grid cards */
.blog-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.blog-card {
  display: flex; flex-direction: column; gap: 16px;
  padding: 28px; border-radius: 16px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur); text-decoration: none; color: inherit;
  transition: transform var(--duration-normal) var(--ease-out-expo), border-color var(--duration-normal), box-shadow var(--duration-normal);
}
.blog-card:hover { transform: translateY(-3px); border-color: var(--border-glow); box-shadow: 0 16px 48px rgba(108, 92, 231, 0.1); }
.blog-card-header { display: flex; align-items: center; gap: 12px; }
.blog-card-avatar {
  width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
  overflow: hidden;
}
.blog-card-avatar img { width: 100%; height: 100%; object-fit: contain; }
.blog-card-meta { display: flex; flex-direction: column; }
.blog-card-author { font-size: 0.82rem; font-weight: 600; color: var(--text-primary); }
.blog-card-date { font-size: 0.72rem; color: var(--text-tertiary); }
.blog-card h3 { font-family: var(--font-display); font-size: 1.05rem; color: var(--text-primary); line-height: 1.4; }
.blog-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.blog-card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag { padding: 4px 12px; border-radius: 100px; font-size: 0.72rem; font-weight: 500; background: rgba(108, 92, 231, 0.15); color: var(--text-accent); border: 1px solid rgba(108, 92, 231, 0.2); }

/* ═══════════════════════════════════════════════════════════════════════
   BLOG POST
   ═══════════════════════════════════════════════════════════════════════ */
.blog-post { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; padding: 160px 32px 120px; }
.blog-post .back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--text-tertiary); text-decoration: none; font-size: 0.9rem; margin-bottom: 40px; transition: color var(--duration-fast); }
.blog-post .back-link:hover { color: var(--text-primary); }
.blog-post .post-date { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-primary); margin-bottom: 16px; }
.blog-post h1 { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); color: var(--text-primary); line-height: 1.2; margin-bottom: 24px; letter-spacing: -0.02em; }
.blog-post .post-tags { display: flex; gap: 8px; margin-bottom: 48px; flex-wrap: wrap; }
.blog-post .post-body { font-size: 1.05rem; line-height: 1.85; color: var(--text-secondary); }
.blog-post .post-body h2 { font-family: var(--font-display); font-size: 1.6rem; color: var(--text-primary); margin: 48px 0 20px; letter-spacing: -0.01em; }
.blog-post .post-body h3 { font-family: var(--font-display); font-size: 1.25rem; color: var(--text-primary); margin: 36px 0 16px; }
.blog-post .post-body p { margin-bottom: 20px; }
.blog-post .post-body ul, .blog-post .post-body ol { margin-bottom: 20px; padding-left: 24px; }
.blog-post .post-body li { margin-bottom: 8px; }
.blog-post .post-body code { font-family: var(--font-mono); font-size: 0.85em; padding: 2px 6px; border-radius: 4px; background: rgba(108, 92, 231, 0.15); color: var(--text-accent); }
.blog-post .post-body pre { margin-bottom: 24px; border-radius: 12px; background: rgba(0, 0, 0, 0.5); border: 1px solid var(--glass-border); padding: 20px 24px; overflow-x: auto; }
.blog-post .post-body pre code { background: none; padding: 0; color: #e0e0e0; font-size: 0.85rem; line-height: 1.7; }
.blog-post .post-body blockquote { border-left: 3px solid var(--accent-primary); padding: 16px 24px; margin-bottom: 24px; background: var(--glass-bg); border-radius: 0 12px 12px 0; color: var(--text-secondary); font-style: italic; }
.blog-post .post-body a { color: var(--accent-primary); text-decoration: none; border-bottom: 1px solid rgba(108, 92, 231, 0.3); transition: border-color var(--duration-fast); }
.blog-post .post-body a:hover { border-color: var(--accent-primary); }
.blog-post .post-body hr { border: none; border-top: 1px solid var(--border-subtle); margin: 48px 0; }
.blog-post .post-body table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.blog-post .post-body th { text-align: left; padding: 12px 16px; color: var(--text-primary); border-bottom: 1px solid var(--border-subtle); }
.blog-post .post-body td { padding: 10px 16px; border-bottom: 1px solid var(--border-subtle); }

/* ═══════════════════════════════════════════════════════════════════════
   REVEAL ANIMATIONS
   ═══════════════════════════════════════════════════════════════════════ */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity var(--duration-slow) var(--ease-out-expo), transform var(--duration-slow) var(--ease-out-expo); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 100ms; } .reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; } .reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; } .reveal-delay-6 { transition-delay: 600ms; }

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .code-demo { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .nexa-plus-inner { grid-template-columns: repeat(2, 1fr); }
  .arch-diagram { flex-wrap: wrap; justify-content: center; gap: 12px; }
  .arch-arrow { transform: none; margin: 0 4px; }
}
@media (max-width: 768px) {
  :root { --section-gap: 100px; }
  .nav-links { position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; flex-direction: column; justify-content: flex-start; padding-top: 80px; background: rgba(10, 10, 26, 0.97); backdrop-filter: var(--glass-blur); transition: right var(--duration-normal) var(--ease-out-expo); padding: 80px 32px 32px; gap: 8px; }
  .nav-links.open { right: 0; }
  .nav-toggle { display: flex; }
  .nav-item { width: 100%; }
  .nav-dropdown { position: static; opacity: 1; visibility: visible; transform: none; background: none; border: none; box-shadow: none; padding: 0 0 0 16px; min-width: 0; display: none; }
  .nav-item:hover .nav-dropdown { display: block; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nexa-plus-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .blog-card { flex-direction: column; }
}

/* ═══════════════════════════════════════════════════════════════════════
   UTILITY
   ═══════════════════════════════════════════════════════════════════════ */
.text-center { text-align: center; }
::selection { background: rgba(108, 92, 231, 0.3); color: #fff; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }