:root {
  --ink: #0F3D36;
  --ink-2: #3D6B62;
  --text: #17231F;
  --muted: #55665F;
  --mint: #5EE0B5;
  --mint-soft: #E3F7EF;
  --paper: #F4FBF8;
  --bg: #FFFFFF;
  --line: #DCE8E3;
  --warn-bg: #FFF6E0;
  --warn-line: #F0D48A;
  --radius: 14px;
  --max: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #A8EBD3;
    --ink-2: #8FBFB2;
    --text: #E6F0EC;
    --muted: #9BB0A8;
    --mint-soft: #16332C;
    --paper: #0F1A17;
    --bg: #0B1412;
    --line: #22352F;
    --warn-bg: #2A2414;
    --warn-line: #5C4D22;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--ink); text-underline-offset: 3px; }
img { max-width: 100%; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.brand .logo-dark { display: none; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.brand { display: inline-flex; align-items: center; }
.brand img { height: 34px; width: auto; display: block; }
.nav { display: flex; align-items: center; gap: 22px; font-size: 15px; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.nav .btn { color: #fff; }
@media (max-width: 720px) { .nav a:not(.btn) { display: none; } }

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 999px;
  background: #0F3D36;
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid #0F3D36;
}
.btn:hover { background: #164E45; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--mint-soft); }
@media (prefers-color-scheme: dark) {
  .btn { background: var(--mint); border-color: var(--mint); color: #0B1412; }
  .nav .btn { color: #0B1412; }
  .btn:hover { background: #7BE8C4; }
  .btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
}

/* Hero */
.hero { padding: 88px 0 64px; }
.eyebrow { display: inline-block; font-size: 14px; font-weight: 600; color: var(--ink); background: var(--mint-soft); padding: 4px 12px; border-radius: 999px; }
h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.08; letter-spacing: -0.02em; margin: 18px 0 18px; color: var(--text); max-width: 14em; }
.lead { font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); max-width: 36em; margin: 0 0 30px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta-note { font-size: 14px; color: var(--muted); margin-top: 14px; }

/* Sections */
section { padding: 64px 0; }
section.alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(26px, 3.6vw, 36px); line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 14px; }
h3 { font-size: 19px; margin: 0 0 8px; }
.section-lead { color: var(--muted); max-width: 40em; margin: 0 0 36px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.icon { width: 40px; height: 40px; border-radius: 10px; background: var(--mint-soft); display: grid; place-items: center; margin-bottom: 14px; }
.icon svg { width: 22px; height: 22px; stroke: var(--ink); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Flow diagram */
.flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 12px; margin: 8px 0 28px; }
.flow .step { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; background: var(--bg); }
.flow .step strong { display: block; margin-bottom: 4px; }
.flow .step span { color: var(--muted); font-size: 15px; }
.flow .arrow { align-self: center; color: var(--ink-2); font-size: 22px; }
@media (max-width: 760px) {
  .flow { grid-template-columns: 1fr; }
  .flow .arrow { justify-self: center; transform: rotate(90deg); }
}
.never { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.never li { border: 1px dashed var(--line); border-radius: 999px; padding: 6px 14px; font-size: 15px; color: var(--muted); }
.never li::before { content: "\2715  "; color: var(--ink-2); }

/* Checklist */
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checks li { padding-left: 32px; position: relative; }
.checks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%; background: var(--mint-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%230F3D36' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 28px; } }

.email-mock { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); padding: 22px; font-size: 15px; }
.email-mock .meta { color: var(--muted); font-size: 13px; border-bottom: 1px solid var(--line); padding-bottom: 10px; margin-bottom: 12px; }
.email-mock .object { display: inline-block; margin-top: 12px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 8px; font-weight: 600; color: var(--ink); }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
details summary { cursor: pointer; font-weight: 600; list-style: none; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; float: right; color: var(--ink-2); font-weight: 400; }
details[open] summary::after { content: "\2013"; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; font-size: 14px; color: var(--muted); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--muted); }

/* Legal pages */
.legal { max-width: 760px; padding: 48px 20px 80px; }
.legal h1 { font-size: clamp(30px, 5vw, 42px); margin-bottom: 6px; }
.legal .updated { color: var(--muted); font-size: 15px; margin: 0 0 24px; }
.legal h2 { font-size: 23px; margin: 40px 0 10px; }
.legal h3 { font-size: 18px; margin: 24px 0 6px; }
.legal p, .legal li { font-size: 16px; }
.legal table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; display: block; overflow-x: auto; }
.legal th, .legal td { text-align: left; border-bottom: 1px solid var(--line); padding: 8px 10px 8px 0; vertical-align: top; }
.legal th { color: var(--muted); font-weight: 600; }
.toc { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 22px; font-size: 15px; }
.toc ol { margin: 0; padding-left: 20px; }
.draft { background: var(--warn-bg); border: 1px solid var(--warn-line); border-radius: var(--radius); padding: 14px 18px; font-size: 15px; margin: 0 0 28px; }
.ph { background: var(--warn-bg); border-radius: 4px; padding: 0 4px; }
.summary-box { background: var(--mint-soft); border-radius: var(--radius); padding: 18px 22px; margin: 0 0 28px; }
.summary-box ul { margin: 6px 0 0; padding-left: 20px; }
.hero-tight { padding-bottom: 24px; }
@media (prefers-color-scheme: dark) {
  .brand .logo-light { display: none; }
  .brand .logo-dark { display: block; }
}