:root {
  --bg: #F4F4F0;
  --bg-2: #ECECE6;
  --paper: #FFFFFF;
  --ink: #0A0A0A;
  --ink-2: #1A1A1A;
  --muted: #6B6B66;
  --muted-2: #A0A09A;
  --line: #DBDBD3;
  --line-2: #2A2A28;
  --accent: #10B981;
  --accent-2: #0F9B6E;
  --accent-soft: #E6F7EF;
  --maxw: 1280px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 18.5px;
  line-height: 1.5;
}

a { color: inherit; }

.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
.eyebrow {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted);
}
.eyebrow.accent { color: var(--accent); }
.tabnum { font-variant-numeric: tabular-nums; }

.btn-primary {
  background: var(--ink); color: #fff; text-decoration: none;
  padding: 16px 26px; border-radius: 999px; font-weight: 600; font-size: 16.5px;
  display: inline-flex; gap: 10px; align-items: center;
  border: none; cursor: pointer; transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent); }
.btn-ghost {
  border: 1px solid var(--line-2); color: var(--ink); text-decoration: none;
  padding: 15px 26px; border-radius: 999px; font-weight: 500; font-size: 16.5px;
  display: inline-flex; gap: 10px; align-items: center;
  background: transparent; cursor: pointer; transition: all 0.15s;
}
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-ghost.dark { border-color: rgba(255,255,255,0.25); color: #fff; }
.btn-ghost.dark:hover { background: #fff; color: var(--ink); }
.btn-accent {
  background: var(--accent); color: #fff; text-decoration: none;
  padding: 16px 26px; border-radius: 999px; font-weight: 600; font-size: 16.5px;
  display: inline-flex; gap: 10px; align-items: center;
  border: none; cursor: pointer; transition: background 0.15s;
}
.btn-accent:hover { background: var(--accent-2); }

.cta-row { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }

.site-nav {
  position: sticky; top: 0; z-index: 50;
  padding: 18px 40px; background: rgba(244,244,240,0.92); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 24px;
  border-bottom: 1px solid var(--line);
}
.site-nav .logo {
  font-weight: 800; letter-spacing: -0.01em; font-size: 15px;
  color: var(--ink); text-decoration: none;
  display: inline-flex; align-items: baseline; gap: 12px;
}
.site-nav .logo .dot { color: var(--accent); }
.site-nav .logo .est {
  font-family: "JetBrains Mono"; font-size: 10px; color: var(--muted);
  letter-spacing: 0.16em; font-weight: 400;
}
.site-nav-links ul {
  display: flex; gap: 28px; list-style: none; margin: 0; padding: 0;
  justify-content: center; align-items: center;
}
.site-nav-links li { position: relative; }
.site-nav-links a, .site-nav-links .menu-trigger {
  color: var(--ink); text-decoration: none; font-size: 15px; font-weight: 500;
  opacity: 0.85; transition: opacity 0.15s;
  background: none; border: none; padding: 0; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: inherit;
}
.site-nav-links a:hover, .site-nav-links .menu-trigger:hover { opacity: 1; }
.site-nav-links a.active { opacity: 1; color: var(--accent); }
.site-nav-links .menu-trigger svg { transition: transform 0.15s; opacity: 0.6; }
.site-nav-links .has-children.open .menu-trigger svg { transform: rotate(180deg); }

.menu-dropdown {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  padding-top: 18px; min-width: 240px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
  z-index: 60;
}
.menu-dropdown-inner {
  background: var(--paper); border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(10,10,10,0.06);
}
.has-children.open .menu-dropdown,
.has-children:hover .menu-dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.menu-dropdown a {
  display: block; padding: 14px 20px;
  font-size: 15px; color: var(--ink); opacity: 0.78;
  border-bottom: 1px solid var(--line);
  font-family: inherit; font-weight: 500;
}
.menu-dropdown a:last-child { border-bottom: none; }
.menu-dropdown a:hover { opacity: 1; background: var(--bg); color: var(--accent); }
.menu-dropdown a.dropdown-all {
  font-family: "JetBrains Mono"; font-size: 10.5px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); font-weight: 600;
}

.site-nav .cta {
  background: var(--ink); color: #fff;
  padding: 11px 20px; border-radius: 999px;
  font-size: 15px; font-weight: 600; text-decoration: none;
  display: inline-flex; gap: 6px; align-items: center;
  transition: background 0.15s;
}
.site-nav .cta:hover { background: var(--accent); }

.mobile-toggle {
  display: none; background: none; border: none; padding: 8px;
  cursor: pointer; flex-direction: column; gap: 5px;
}
.mobile-toggle span {
  width: 22px; height: 1.5px; background: var(--ink);
  transition: transform 0.2s, opacity 0.2s;
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  display: none;
  position: fixed; top: 68px; left: 0; right: 0; bottom: 0;
  background: var(--bg); z-index: 49;
  overflow-y: auto; padding: 24px 32px 40px;
}
.mobile-menu.open { display: block; }
.mobile-menu ul { list-style: none; margin: 0; padding: 0; }
.mobile-menu li { border-bottom: 1px solid var(--line); }
.mobile-menu li > a, .mobile-menu .mobile-trigger {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 18px 0;
  font-size: 17px; color: var(--ink); text-decoration: none;
  font-weight: 500; background: none; border: none; cursor: pointer;
  font-family: inherit; text-align: left;
}
.mobile-menu .mobile-trigger svg { transition: transform 0.2s; }
.mobile-menu .has-children.open .mobile-trigger svg { transform: rotate(180deg); }
.mobile-menu .mobile-sub { display: none; padding: 0 0 16px 16px; }
.mobile-menu .mobile-sub a {
  display: block; padding: 10px 0;
  font-size: 15px; color: var(--muted); text-decoration: none;
}
.mobile-menu .mobile-sub a.all {
  font-family: "JetBrains Mono"; font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); font-weight: 600;
}
.mobile-menu .has-children.open .mobile-sub { display: block; }
.mobile-menu .mobile-cta {
  margin-top: 12px; padding: 16px 0; color: var(--accent); font-weight: 600;
}

.site-footer {
  background: var(--ink); color: rgba(255,255,255,0.7);
  padding: 80px 40px 32px; margin-top: 0;
}
.site-footer-inner { max-width: var(--maxw); margin: 0 auto; }
.site-footer .row1 {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 56px; border-bottom: 1px solid rgba(255,255,255,0.12);
}
.site-footer .brand { display: flex; flex-direction: column; gap: 18px; }
.site-footer .brand .logo {
  font-size: 24px; font-weight: 800; letter-spacing: -0.02em; color: #fff;
}
.site-footer .brand .logo .dot { color: var(--accent); }
.site-footer .brand p {
  font-size: 15.5px; line-height: 1.55; color: rgba(255,255,255,0.65);
  margin: 0; max-width: 320px;
}
.site-footer .brand .badges {
  display: flex; gap: 10px;
  font-family: "JetBrains Mono"; font-size: 10px; letter-spacing: 0.14em;
  color: rgba(255,255,255,0.5); text-transform: uppercase; padding-top: 4px;
}
.site-footer .brand .badges span {
  padding: 4px 8px; border: 1px solid rgba(255,255,255,0.2); border-radius: 999px;
}
.site-footer .col h4 {
  font-family: "JetBrains Mono"; font-size: 11px; letter-spacing: 0.16em;
  color: rgba(255,255,255,0.5); text-transform: uppercase;
  font-weight: 500; margin: 0 0 16px;
}
.site-footer .col ul { list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 10px; }
.site-footer .col li { font-size: 16px; color: rgba(255,255,255,0.85); }
.site-footer .col a { color: rgba(255,255,255,0.85); text-decoration: none; }
.site-footer .col a:hover { color: var(--accent); }
.site-footer .row2 {
  display: grid; grid-template-columns: 1.4fr 2fr; gap: 40px; padding: 28px 0 0;
  font-family: "JetBrains Mono"; font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(255,255,255,0.5); align-items: center;
}
.site-footer .row2 .links a { color: rgba(255,255,255,0.5); text-decoration: none; margin-right: 24px; }
.site-footer .row2 .links a:hover { color: var(--accent); }
.site-footer .row2 .end { text-align: right; }

.sect { padding: 110px 0 120px; }
.sect-head {
  max-width: var(--maxw); margin: 0 auto 56px; padding: 0 40px;
  display: grid; grid-template-columns: 180px 1fr 300px; gap: 40px; align-items: end;
}
.sect-head .ix {
  font-family: "JetBrains Mono"; font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--muted);
}
.sect-head h2 {
  font-size: 56px; line-height: 0.95; letter-spacing: -0.035em;
  font-weight: 700; margin: 0; text-wrap: balance;
}
.sect-head h2 em { font-style: italic; font-weight: 400; color: var(--accent); }
.sect-head .note { font-size: 16.5px; line-height: 1.55; color: var(--muted); }
.sect-head .note b { color: var(--ink); font-weight: 600; }

@media (max-width: 960px) {
  .site-nav {
    grid-template-columns: auto auto;
    padding: 14px 20px;
  }
  .site-nav-links { display: none; }
  .site-nav .cta { display: none; }
  .mobile-toggle { display: flex; }
  .site-footer { padding: 60px 24px 28px; }
  .site-footer .row1 {
    grid-template-columns: 1fr 1fr; gap: 32px;
  }
  .site-footer .row2 {
    grid-template-columns: 1fr; gap: 12px; text-align: left;
  }
  .site-footer .row2 .end { text-align: left; }
  .sect { padding: 70px 0 80px; }
  .sect-head {
    grid-template-columns: 1fr; gap: 16px; padding: 0 20px; margin-bottom: 32px;
  }
  .sect-head h2 { font-size: 38px; }
}