:root {
  --bg: #FAFAF8;
  --panel: #FFFFFF;
  --ink: #0F172A;
  --muted: #64748B;
  --line: #E2E8F0;
  --accent: #1E40AF;
  --accent-hover: #1E3A8A;
  --accent-ink: #FFFFFF;
  --accent-light: #DBEAFE;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}
* { box-sizing: border-box; margin: 0; }
body {
  min-height: 100vh;
  font-family: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Site nav ── */
.site-nav { background: var(--accent); padding: 0 48px; height: 60px; display: flex; align-items: center; justify-content: space-between; }
.site-nav-left { display: flex; align-items: center; gap: 28px; }
.site-nav-logo { text-decoration: none; color: var(--accent-ink); font-weight: 700; font-size: 22px; letter-spacing: -1px; }
.site-nav-logo:hover { opacity: 0.9; }
.site-nav-links { display: flex; gap: 4px; }
.site-nav-link { color: rgba(255,255,255,0.6); text-decoration: none; font-size: 14px; font-weight: 500; padding: 6px 12px; border-radius: 6px; transition: all 150ms ease; }
.site-nav-link:hover { color: #fff; background: rgba(255,255,255,0.12); }
.site-nav-right { display: flex; gap: 8px; align-items: center; }
.site-nav-btn { text-decoration: none; font-size: 14px; font-weight: 700; padding: 10px 24px; border-radius: 10px; transition: all 150ms ease; border: none; cursor: pointer; }
.site-nav-btn-ghost { color: rgba(255,255,255,0.8); }
.site-nav-btn-ghost:hover { color: #fff; }
.site-nav-btn-solid { background: #fff; color: var(--accent); }
.site-nav-btn-solid:hover { background: #F0F4FF; }

/* ── Hero (full-bleed cobalt) ── */
.e-hero-wrap { background: var(--accent); padding: 100px 48px 120px; text-align: center; position: relative; overflow: hidden; }
.e-hero-wrap::after { content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 120px; background: linear-gradient(to bottom, transparent, var(--bg)); }
.e-hero { max-width: 900px; margin: 0 auto; position: relative; z-index: 1; }
.e-hero h1 { font-size: clamp(72px, 12vw, 140px); font-weight: 700; line-height: 0.85; margin-bottom: 24px; letter-spacing: -0.05em; color: #fff; }
.e-tagline { font-size: clamp(18px, 2.5vw, 26px); line-height: 1.35; color: #fff; max-width: 700px; margin: 0 auto 16px; font-weight: 600; letter-spacing: -0.5px; }
.e-explain { font-size: 17px; line-height: 1.55; color: rgba(255,255,255,0.55); max-width: 560px; margin: 0 auto 44px; font-weight: 400; }
.e-cta-row { display: flex; gap: 16px; justify-content: center; align-items: center; }
.e-btn { display: inline-block; padding: 18px 44px; border-radius: 14px; font-weight: 700; font-size: 17px; border: none; cursor: pointer; text-decoration: none; font-family: 'Space Grotesk', sans-serif; background: #fff; color: var(--accent); box-shadow: 0 4px 24px rgba(0,0,0,0.15); transition: background 150ms; }
.e-btn:hover { background: #F0F4FF; }
.e-btn-sub { font-size: 13px; color: rgba(255,255,255,0.5); font-weight: 500; }

/* ── Slack mock ── */
.e-slack-wrap { max-width: 720px; margin: -60px auto 0; padding: 0 48px 60px; position: relative; z-index: 2; }
.e-slack-mock { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 25px 80px rgba(0,0,0,0.1), 0 4px 20px rgba(0,0,0,0.04); border: 1px solid var(--line); }
.e-slack-head { padding: 14px 20px; border-bottom: 1px solid var(--line); font-weight: 700; font-size: 14px; display: flex; align-items: center; gap: 6px; color: var(--ink); background: #F8FAFC; }
.e-slack-head .hash { color: #94A3B8; }
.e-slack-body { padding: 20px; }
.e-msg { display: flex; gap: 10px; margin-bottom: 14px; }
.e-msg:last-child { margin-bottom: 0; }
.e-msg-av { width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: #fff; overflow: hidden; }
.e-msg-av.human { background: #94A3B8; }
.e-msg-av.drew { background: var(--accent); }
.e-msg-av svg { width: 36px; height: 36px; }
.e-msg-body { flex: 1; }
.e-msg-name { font-weight: 700; font-size: 13px; margin-bottom: 2px; color: var(--ink); }
.e-msg-name .app { font-size: 10px; font-weight: 600; background: var(--accent-light); color: var(--accent); padding: 1px 5px; border-radius: 3px; margin-left: 4px; }
.e-msg-name .time { font-weight: 400; font-size: 11px; color: #94A3B8; }
.e-msg-text { font-size: 14px; line-height: 1.55; color: var(--muted); }
.e-msg-text b { color: var(--ink); }

/* ── Pullquote ── */
.e-pullquote { padding: 80px 48px; text-align: center; }
.e-pullquote p { font-size: clamp(32px, 5vw, 56px); font-weight: 700; letter-spacing: -2.5px; color: var(--accent); max-width: 750px; margin: 0 auto; line-height: 1.05; }
.e-pullquote span { display: block; font-size: 15px; font-weight: 500; color: #94A3B8; margin-top: 16px; }

/* ── Activity bar ── */
.e-activity { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 20px 48px; display: flex; align-items: center; gap: 32px; justify-content: center; flex-wrap: wrap; background: #F8FAFC; }
.e-activity-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: #94A3B8; text-transform: uppercase; letter-spacing: 2px; flex-shrink: 0; }
.e-activity-items { display: flex; gap: 28px; flex-wrap: wrap; }
.e-act { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.e-dot { width: 5px; height: 5px; border-radius: 50%; background: #22C55E; flex-shrink: 0; }
.e-act b { color: var(--ink); }

/* ── Stats ── */
.e-week { padding: 64px 48px; max-width: 1100px; margin: 0 auto; }
.e-week h2 { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: #94A3B8; text-align: center; margin-bottom: 28px; font-family: 'JetBrains Mono', monospace; }
.e-week-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.e-week-card { background: #fff; border-radius: 12px; padding: 24px 20px; text-align: center; border: 1px solid var(--line); }
.e-week-num { font-size: 36px; font-weight: 700; margin-bottom: 4px; font-family: 'JetBrains Mono', monospace; color: var(--accent); }
.e-week-label { font-size: 12px; color: #94A3B8; font-weight: 500; line-height: 1.4; }

/* ── Proof ── */
.e-proof { padding: 56px 48px; text-align: center; }
.e-proof-quote { font-size: 20px; font-style: italic; color: #475569; max-width: 600px; margin: 0 auto; line-height: 1.6; }
.e-proof-attr { font-size: 13px; color: #94A3B8; margin-top: 12px; font-weight: 600; }

/* ── Features ── */
.e-features { padding: 72px 48px; max-width: 1100px; margin: 0 auto; }
.e-features h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 700; text-align: center; margin-bottom: 12px; letter-spacing: -1.5px; color: var(--ink); }
.e-features .sub { text-align: center; color: var(--muted); font-size: 16px; margin-bottom: 48px; }
.e-feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.e-feat-card { padding: 28px; background: #fff; border-radius: 14px; border: 1px solid var(--line); transition: border-color 0.2s, box-shadow 0.2s; }
.e-feat-card:hover { border-color: var(--accent); box-shadow: 0 8px 32px rgba(30,64,175,0.08); }
.e-feat-icon { font-size: 24px; margin-bottom: 14px; }
.e-feat-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; color: var(--ink); }
.e-feat-card p { font-size: 14px; color: var(--muted); line-height: 1.55; }

/* ── Soul ── */
.e-soul { padding: 64px 48px; max-width: 860px; margin: 0 auto; }
.e-soul-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; color: #94A3B8; margin-bottom: 16px; text-align: center; }
.e-soul h2 { font-size: 32px; font-weight: 700; text-align: center; margin-bottom: 32px; letter-spacing: -0.5px; color: var(--ink); }
.e-soul-quote { background: #F8FAFC; border-radius: 14px; padding: 32px; font-size: 17px; line-height: 1.7; color: #475569; font-style: italic; border-left: 3px solid var(--accent); margin-bottom: 28px; }
.e-soul-scenarios { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 32px; }
.e-soul-scenario { background: #F8FAFC; border-radius: 10px; padding: 20px; border: 1px solid var(--line); }
.e-soul-scenario-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 8px; }
.e-soul-scenario p { font-size: 14px; line-height: 1.6; color: var(--muted); font-style: italic; }
.e-soul-traits { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.e-soul-trait { padding: 8px 18px; border-radius: 8px; background: var(--accent-light); border: 1px solid #BFDBFE; font-size: 13px; font-weight: 600; color: var(--accent); }

/* ── CTA banner ── */
.e-cta-banner { background: var(--accent); padding: 64px 48px; text-align: center; }
.e-cta-banner h2 { font-size: 36px; font-weight: 700; color: #fff; margin-bottom: 12px; letter-spacing: -1px; }
.e-cta-banner p { font-size: 16px; color: rgba(255,255,255,0.6); margin-bottom: 28px; }

/* ── Footer ── */
.site-footer { max-width: 1100px; margin: 0 auto; padding: 40px 48px; display: flex; flex-wrap: wrap; gap: 16px 32px; font-size: 13px; border-top: 1px solid var(--line); }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }

/* ── Subpage content ── */
main { max-width: 960px; margin: 0 auto; padding: 40px 20px 72px; }
.hero, .section { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
.hero { padding: 28px; margin-bottom: 18px; }
.section { padding: 24px; }
.eyebrow { display: inline-block; margin-bottom: 14px; padding: 6px 12px; border-radius: 999px; background: var(--accent-light); color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.button { color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px; background: var(--panel); font-size: 14px; font-weight: 500; transition: all 150ms ease; }
.button:hover { border-color: #CBD5E1; background: #F0F4FF; }
.button-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.button-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
p, li { color: var(--muted); font-size: 16px; line-height: 1.6; }
strong { color: var(--ink); }
ul { margin: 0; padding-left: 20px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.grid { display: grid; gap: 16px; margin-top: 18px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { padding: 20px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line); }
.card h2 { margin: 0 0 8px; font-size: 17px; font-weight: 600; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .e-week-grid { grid-template-columns: repeat(3, 1fr); }
  .e-feat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .site-nav { padding: 0 20px; }
  .site-nav-links { display: none; }
  .e-hero-wrap { padding: 64px 20px 80px; }
  .e-slack-wrap { padding: 0 20px 40px; }
  .e-pullquote { padding: 48px 20px; }
  .e-activity { padding: 16px 20px; gap: 16px; }
  .e-week { padding: 48px 20px; }
  .e-week-grid { grid-template-columns: repeat(2, 1fr); }
  .e-features { padding: 48px 20px; }
  .e-feat-grid { grid-template-columns: 1fr; }
  .e-soul { padding: 48px 20px; }
  .e-soul-scenarios { grid-template-columns: 1fr; }
  .e-cta-banner { padding: 48px 20px; }
  .site-footer { padding: 32px 20px; }
  main { padding: 24px 16px 48px; }
  .hero, .section { border-radius: 12px; padding: 20px; }
}
@media (max-width: 480px) {
  .e-cta-row { flex-direction: column; }
  .e-week-grid { grid-template-columns: 1fr 1fr; }
}