:root {
  --ink: #0c1a2a;
  --ink-2: #1c2f45;
  --muted: #5a6b7d;
  --paper: #f6f5f0;
  --card: #ffffff;
  --line: #dfddd3;
  --accent: #0f8a62;
  --accent-ink: #0a6a4b;
  --signal: #e4572e;
  --radius: 12px;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: "DM Sans", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eef1f4;
    --ink-2: #c9d3de;
    --muted: #93a3b4;
    --paper: #0a1522;
    --card: #101f31;
    --line: #223850;
    --accent: #2fc28e;
    --accent-ink: #5fdcb0;
    --signal: #ff7a52;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-ink); }
img, svg { max-width: 100%; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; border-radius: 6px; z-index: 10; }
.skip-link:focus { left: 8px; }

/* header */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 20px; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand b { color: var(--accent); font-weight: 600; }
.nav { display: flex; gap: 20px; align-items: center; font-size: 15px; }
.nav a { color: var(--ink-2); text-decoration: none; }
.nav a:hover { color: var(--accent-ink); }
@media (max-width: 640px) { .nav .hide-sm { display: none; } }

/* buttons */
.button { display: inline-block; padding: 13px 20px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1.5px solid transparent; font-size: 16px; font-family: inherit; cursor: pointer; }
.button.primary { background: var(--accent); color: #fff; }
.button.primary:hover { background: var(--accent-ink); }
.button.ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.button.ghost:hover { border-color: var(--accent); color: var(--accent-ink); }
.button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }
.nav .button { padding: 8px 14px; font-size: 14px; }

/* hero */
.hero { padding: 64px 0 48px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; color: var(--accent-ink); margin: 0 0 14px; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.15; letter-spacing: -.015em; margin: 0; }
h1 { font-size: clamp(34px, 5.2vw, 54px); font-weight: 600; }
h1 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 600; margin-bottom: 14px; }
h3 { font-size: 21px; font-weight: 600; margin-bottom: 8px; }
.lede { font-size: 19px; color: var(--ink-2); margin: 20px 0 28px; max-width: 34em; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.chart-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 12px; }
.chart-card figcaption { font-size: 13px; color: var(--muted); margin-top: 6px; }
.chart-card svg { display: block; width: 100%; height: auto; }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; gap: 32px; } .hero { padding-top: 40px; } }

/* sections */
section { padding: 56px 0; }
.band { background: var(--card); border-block: 1px solid var(--line); }
.section-lede { color: var(--ink-2); max-width: 40em; margin: 0 0 32px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.band .card { background: var(--paper); }
.card p { margin: 0 0 12px; color: var(--ink-2); font-size: 16px; }
.card .deliver { font-size: 14px; color: var(--muted); margin: 14px 0 0; padding-top: 12px; border-top: 1px solid var(--line); }
.card .deliver b { color: var(--ink); }
@media (max-width: 860px) { .grid3 { grid-template-columns: 1fr; } }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.steps li { counter-increment: s; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.steps li::before { content: counter(s); display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: var(--paper); font-weight: 700; font-size: 14px; margin-bottom: 10px; }
.steps b { display: block; font-family: var(--serif); font-size: 19px; margin-bottom: 4px; }
.steps span { color: var(--ink-2); font-size: 16px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.two ul { margin: 0; padding-left: 20px; color: var(--ink-2); }
.two li { margin-bottom: 8px; }
.no li::marker { color: var(--signal); }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; gap: 24px; } }

/* signup */
.signup { background: var(--ink); color: var(--paper); border-radius: 18px; padding: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .signup { background: var(--card); border: 1px solid var(--line); color: var(--ink); } }
.signup h2 { color: inherit; }
.signup p { color: inherit; opacity: .88; }
.signup ul { padding-left: 20px; margin: 14px 0 0; opacity: .88; }
.signup li { margin-bottom: 6px; }
form { display: grid; gap: 14px; }
label { font-size: 14px; font-weight: 600; display: grid; gap: 6px; }
label small { font-weight: 400; opacity: .75; }
input, select, textarea { font: inherit; font-size: 16px; padding: 12px 14px; border-radius: 10px; border: 1.5px solid #c9cfd6; background: #fff; color: #0c1a2a; width: 100%; }
textarea { min-height: 88px; resize: vertical; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.status { min-height: 1.4em; font-size: 15px; margin: 0; }
.status.ok { color: #7ff0c3; }
.status.err { color: #ffb4a0; }
.fine { font-size: 13px; opacity: .75; margin: 0; }
.signup a { color: inherit; }
.signup .button.primary { background: var(--accent); }
@media (max-width: 860px) { .signup { grid-template-columns: 1fr; padding: 28px 22px; gap: 24px; } }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 14px; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.site-footer a { color: var(--muted); }

/* prose (privacy) */
.prose { max-width: 42em; padding: 48px 0 32px; }
.prose h1 { font-size: 38px; margin-bottom: 8px; }
.prose h2 { font-size: 24px; margin: 32px 0 8px; }
.prose p, .prose li { color: var(--ink-2); }
.prose .updated { color: var(--muted); font-size: 14px; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }