:root {
  --paper: #faf9f7;
  --card: #ffffff;
  --ink: #1b2432;
  --ink-soft: #4a5568;
  --line: #e6e2da;
  --accent: #0e5a8a;
  --accent-deep: #0a4264;
  --amber: #b4690e;
  --radius: 10px;
  --maxw: 62rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 3.75rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand svg { display: block; }
.site-header nav { display: flex; align-items: center; gap: 1.1rem; }
.site-header nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}
.site-header nav a:hover { color: var(--ink); }
.site-header nav a.cta {
  color: #fff;
  background: var(--accent);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-weight: 600;
}
.site-header nav a.cta:hover { background: var(--accent-deep); color: #fff; }

/* Hero */
.hero { padding: 4.5rem 0 3.5rem; }
.hero .kicker {
  color: var(--amber);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  margin: 0 0 0.75rem;
}
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  max-width: 24ch;
}
.hero p.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 1.75rem;
}
.hero .actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.65rem 1.3rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); background: var(--card); }
.btn-ghost:hover { border-color: var(--ink-soft); }

/* Sections */
section.block { padding: 3.25rem 0; border-top: 1px solid var(--line); }
section.block h2 {
  font-size: 1.55rem;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}
section.block p.section-sub { color: var(--ink-soft); margin: 0 0 1.75rem; max-width: 52ch; }

/* Rule cards (billing) */
.rules { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1rem; }
.rule {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1.4rem 1.2rem;
}
.rule .num {
  color: var(--amber);
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}
.rule h3 { margin: 0.35rem 0 0.5rem; font-size: 1.08rem; }
.rule p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* Feature grid */
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1.25rem; }
.feature h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* Pledge */
.pledge {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
}
.pledge ul { margin: 0.75rem 0 0; padding-left: 1.2rem; }
.pledge li { margin: 0.35rem 0; }

/* Tables */
table.plain { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 0.95rem; }
table.plain th, table.plain td { text-align: left; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.plain th { background: #f3f0ea; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }
table.plain tr:last-child td { border-bottom: 0; }

/* Legal pages */
.legal h1 { font-size: 1.7rem; margin: 2.5rem 0 0.5rem; }
.legal .note { color: var(--ink-soft); font-size: 0.9rem; margin-bottom: 2rem; }
.legal h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
.legal p, .legal li { color: var(--ink); max-width: 70ch; }
.legal ul { padding-left: 1.3rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--card); margin-top: 3rem; padding: 2rem 0 2.5rem; color: var(--ink-soft); font-size: 0.9rem; }
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--ink); }

@media (max-width: 640px) {
  .site-header nav a:not(.cta) { display: none; }
  body { font-size: 16px; }
}