/* Mint & Main - clean, mobile-first, no frameworks.
   Keep total site under ~100KB excluding tool JS. */

/* ---------- Tokens ---------- */
:root {
  --mint: #0e7c5b;
  --mint-dark: #0a5f46;
  --mint-soft: #e7f4ee;
  --ink: #1c2321;
  --ink-soft: #4a5452;
  --line: #e2e8e6;
  --paper: #ffffff;
  --wash: #f6faf8;
  --amber-soft: #fdf6e3;
  --amber-line: #e8d9a8;
  --radius: 10px;
  --measure: 68ch;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--mint); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--mint-dark); }
h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; margin: 0 0 .6em; }
h1 { font-size: clamp(1.9rem, 5vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 3.5vw, 1.9rem); margin-top: 2.2em; }
h3 { font-size: 1.15rem; margin-top: 1.6em; }
p { margin: 0 0 1em; max-width: var(--measure); }
ul, ol { max-width: var(--measure); padding-left: 1.4em; }
li { margin-bottom: .45em; }
code { background: var(--wash); padding: .1em .35em; border-radius: 4px; font-size: .92em; }
:focus-visible { outline: 3px solid var(--mint); outline-offset: 2px; }

/* Screen-reader only */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- Layout ---------- */
.wrap { width: min(1080px, 100% - 2.5rem); margin-inline: auto; }
.wrap--narrow { width: min(720px, 100% - 2.5rem); margin-inline: auto; }
main { padding: 2.5rem 0 4rem; }
.prose > :first-child { margin-top: 0; }

/* ---------- Header / nav ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky; top: 0; z-index: 50;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .85rem 0;
}
.brand {
  font-weight: 800; font-size: 1.3rem; letter-spacing: -.02em;
  color: var(--ink); text-decoration: none; white-space: nowrap;
}
.brand-logo { height: 40px; width: auto; display: block; }
.brand .dot { color: var(--mint); }
.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  background: none; border: 1px solid var(--line); border-radius: 8px;
  width: 44px; height: 44px; cursor: pointer; color: var(--ink);
}
.site-nav ul {
  list-style: none; margin: 0; padding: 0; display: flex; gap: 1.25rem;
}
.site-nav a { color: var(--ink); text-decoration: none; font-weight: 600; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--mint-dark); }

/* Mobile nav */
@media (max-width: 720px) {
  .site-nav { display: none; }
  .site-nav.open {
    display: block; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.25rem;
  }
  .site-nav.open ul { flex-direction: column; gap: .25rem; }
  .site-nav.open a { display: block; padding: .6rem 0; font-size: 1.1rem; }
}
@media (min-width: 721px) {
  .nav-toggle { display: none; }
}

/* ---------- Hero ---------- */
.hero { background: var(--wash); border-bottom: 1px solid var(--line); padding: 3.5rem 0; }
.hero p.lede { font-size: 1.2rem; color: var(--ink-soft); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; background: var(--mint); color: #fff;
  font-weight: 700; text-decoration: none; border: 0; border-radius: var(--radius);
  padding: .8rem 1.5rem; cursor: pointer; font-size: 1rem; line-height: 1.4;
}
.btn:hover { background: var(--mint-dark); color: #fff; }
.btn--ghost {
  background: transparent; color: var(--mint-dark);
  border: 2px solid var(--mint); padding: calc(.8rem - 2px) calc(1.5rem - 2px);
}
.btn--ghost:hover { background: var(--mint-soft); color: var(--mint-dark); }
.btn-row { display: flex; gap: .9rem; flex-wrap: wrap; margin: 1.4rem 0; }

/* ---------- Cards / grids ---------- */
.grid {
  display: grid; gap: 1.25rem; margin: 1.6rem 0;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid--3 { grid-template-columns: repeat(3, 1fr); } }
.card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem; background: var(--paper);
  display: flex; flex-direction: column; gap: .5rem;
}
.card h3 { margin: 0; font-size: 1.1rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: .98rem; flex: 1; }
.card .tag {
  align-self: flex-start; font-size: .78rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; color: var(--mint-dark); background: var(--mint-soft);
  padding: .2rem .6rem; border-radius: 999px;
}

/* ---------- Newsletter band ---------- */
.newsletter {
  background: var(--mint-dark); color: #fff; border-radius: var(--radius);
  padding: 2.2rem 1.6rem; margin: 3rem 0;
}
.newsletter h2 { margin-top: 0; color: #fff; }
.newsletter p { color: #dcecE3; }
.newsletter-form { display: flex; flex-direction: column; gap: .8rem; margin-top: 1.2rem; }
.newsletter-form label { font-weight: 600; }
.newsletter-form input[type="email"] {
  padding: .85rem 1rem; border-radius: var(--radius); border: 1px solid transparent;
  font-size: 1rem; width: 100%;
}
.newsletter-form .btn { background: #fff; color: var(--mint-dark); }
.newsletter-form .btn:hover { background: var(--mint-soft); }
.newsletter small { display: block; margin-top: .8rem; color: #bcd9cc; font-size: .85rem; }
@media (min-width: 640px) {
  .newsletter-form { flex-direction: row; align-items: end; }
  .newsletter-form .field { flex: 1; }
  .newsletter { padding: 2.6rem 3rem; }
}

/* ---------- Disclaimer banner ---------- */
.disclaimer-banner {
  background: var(--amber-soft); border: 1px solid var(--amber-line);
  border-radius: var(--radius); padding: 1rem 1.25rem; margin: 1.8rem 0;
  font-size: .95rem; color: #5c4e1f;
}
.disclaimer-banner strong { display: block; margin-bottom: .25rem; color: #4a3f16; }

/* ---------- Forms ---------- */
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; margin-bottom: .35rem; }
.field input, .field textarea, .field select {
  width: 100%; padding: .75rem .9rem; font-size: 1rem; font-family: inherit;
  border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink);
}
.field textarea { min-height: 160px; resize: vertical; }
.field .hint { font-size: .88rem; color: var(--ink-soft); margin-top: .3rem; }

/* ---------- Tool page ---------- */
.tool-stage {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--wash); padding: 1.6rem; margin: 1.6rem 0;
}
.tool-stage p.placeholder { color: var(--ink-soft); margin: 0; }

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: .8rem; background: var(--paper);
}
.faq summary { padding: 1rem 1.25rem; cursor: pointer; font-weight: 700; }
.faq summary:hover { color: var(--mint-dark); }
.faq details div { padding: 0 1.25rem 1.1rem; }
.faq p { margin-bottom: .5em; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line); background: var(--wash);
  padding: 2.2rem 0 1.6rem; font-size: .94rem; color: var(--ink-soft);
}
.footer-grid {
  display: grid; gap: 1.6rem; margin-bottom: 1.6rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(3, 1fr); } }
.site-footer h2 { font-size: .95rem; text-transform: uppercase; letter-spacing: .06em; margin: 0 0 .7em; color: var(--ink); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .4em; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--mint-dark); }
.footer-note {
  border-top: 1px solid var(--line); padding-top: 1.1rem;
  display: flex; flex-wrap: wrap; gap: .4rem 1.6rem; justify-content: space-between;
}
.footer-note .advice { font-weight: 600; color: var(--ink); }

/* ---------- Misc ---------- */
.breadcrumb { font-size: .9rem; color: var(--ink-soft); margin-bottom: 1rem; }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb [aria-current] { color: var(--ink); font-weight: 600; }
.kicker { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 800; color: var(--mint-dark); margin: 0 0 .5em; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }
table { border-collapse: collapse; width: 100%; margin: 1.4rem 0; font-size: .98rem; }
th, td { border: 1px solid var(--line); padding: .6rem .8rem; text-align: left; }
th { background: var(--wash); font-weight: 700; }