/* Shared styles for the standalone iOS app pages (/app/privacy, /app/support). */

:root {
  color-scheme: light dark;
  /* Crest green from the app icon; carries white text at about 7.9:1. */
  --green: #1f5d39;
  --gold: #c99a2c;
  --bg: #ffffff;
  --surface: #f3f6f4;
  --text: #16201a;
  --muted: #4c5a52;
  --line: #d9e2dc;
  --link: var(--green);
  --fill: var(--green);
  --fill-hover: #174a2d;
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101512;
    --surface: #18201b;
    --text: #e6ece8;
    --muted: #a6b3ab;
    --line: #2b3630;
    --link: #8fd0a4;
    --fill: #287a4c;
    --fill-hover: #22683f;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: 1.5rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid var(--link);
  outline-offset: 2px;
  border-radius: 4px;
}

#main:focus { outline: none; }

.wrap {
  width: min(100% - 2.5rem, 68rem);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 1rem;
  z-index: 10;
  padding: 0.625rem 1rem;
  border-radius: 8px;
  background: var(--bg);
  color: var(--link);
  font-weight: 600;
  transform: translateY(-200%);
}

.skip-link:focus { transform: none; }

/* Header */

.site-header {
  background: var(--green);
  color: #fff;
}

.site-header :focus-visible { outline-color: #fff; }

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.875rem;
  padding-block: 0.625rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-height: 2.75rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: none;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: #fff;
}

.brand-mark img { width: 1.5rem; height: 1.5rem; }

.platform {
  padding: 0.125rem 0.5rem;
  border: 1px solid rgb(255 255 255 / 0.55);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.app-nav {
  display: flex;
  gap: 0.25rem;
  margin-left: auto;
  padding: 0.25rem;
  border-radius: 999px;
  background: rgb(255 255 255 / 0.12);
}

.app-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.375rem 1.125rem;
  border-radius: 999px;
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
}

.app-nav a:hover { background: rgb(255 255 255 / 0.08); }

.app-nav a[aria-current="page"] {
  background: #fff;
  color: var(--green);
}

/* Intro */

.hero {
  padding-block: 2.75rem 2.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--link);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1, h2, h3 { text-wrap: balance; }

h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.125rem, 1.6rem + 2.4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.lede {
  max-width: 40rem;
  margin: 0;
  color: var(--muted);
  font-size: 1.1875rem;
  line-height: 1.5;
}

.updated {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.875rem;
}

/* Layout and table of contents */

.layout {
  display: grid;
  gap: 2rem;
  padding-block: 2rem 4rem;
}

.toc-title {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toc ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc li { margin: 0; }

.toc a {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  font-size: 0.9375rem;
  line-height: 1.3;
  text-decoration: none;
}

.toc a:hover {
  border-color: var(--link);
  color: var(--link);
}

@media (min-width: 60em) {
  .layout {
    grid-template-columns: 13.5rem minmax(0, 1fr);
    gap: 4rem;
    padding-top: 3rem;
  }

  .toc {
    position: sticky;
    top: 1.5rem;
    align-self: start;
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
  }

  .toc ul {
    display: block;
    border-left: 2px solid var(--line);
  }

  .toc a {
    display: block;
    min-height: 0;
    margin-left: -2px;
    padding: 0.375rem 0 0.375rem 1rem;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    color: var(--muted);
  }

  .toc a:hover { border-left-color: var(--link); }
}

/* Article */

.article {
  min-width: 0;
  max-width: 46rem;
}

.article > section + section {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 0.875rem;
  font-size: 1.5rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h3 {
  margin: 1.75rem 0 0.75rem;
  font-size: 1.0625rem;
  line-height: 1.4;
}

p, ul, ol { margin: 0 0 1rem; }
p { text-wrap: pretty; }
ul, ol { padding-left: 1.25rem; }
li + li { margin-top: 0.5rem; }
li::marker { color: var(--muted); }
strong { font-weight: 600; }

.article > section > :last-child,
.card > :last-child,
.note > :last-child { margin-bottom: 0; }

.card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.card h2 { font-size: 1.3125rem; }
.card li::marker { color: var(--link); }

.email-button {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-height: 3rem;
  padding: 0.625rem 1.25rem;
  border-radius: 12px;
  background: var(--fill);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.email-button:hover { background: var(--fill-hover); }
.email-button svg { flex: none; }

.note {
  margin-block: 1.25rem;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--gold);
  border-radius: 0 10px 10px 0;
  background: var(--surface);
}

.steps {
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  min-height: 1.875rem;
  padding-left: 2.75rem;
  counter-increment: step;
}

.steps li + li { margin-top: 0.875rem; }

.steps li::before {
  content: counter(step);
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 1.875rem;
  height: 1.875rem;
  border-radius: 50%;
  background: var(--fill);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
}

details {
  border: 1px solid var(--line);
  border-radius: 12px;
}

details + details { margin-top: 0.5rem; }

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3rem;
  padding: 0.75rem 1rem;
  border-radius: 11px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "";
  flex: none;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: -0.25rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
}

details[open] > summary::after {
  margin-top: 0.25rem;
  transform: rotate(225deg);
}

details > :not(summary) { margin-inline: 1rem; }
details > :last-child { margin-bottom: 1rem; }

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9375rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block: 1.25rem 2rem;
}

.site-footer p { margin: 0; }

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer li + li { margin-top: 0; }

.site-footer a {
  display: inline-block;
  padding-block: 0.375rem;
  color: var(--muted);
}

.site-footer a:hover { color: var(--link); }

@media (max-width: 33.75em) {
  .wrap { width: min(100% - 2rem, 68rem); }
  .app-nav { flex-basis: 100%; margin-left: 0; }
  .app-nav a { flex: 1; }
  .hero { padding-block: 2rem 1.75rem; }
  .lede { font-size: 1.125rem; }
  .card { padding: 1.25rem; }
}

@media print {
  :root {
    --bg: #fff;
    --surface: #fff;
    --text: #000;
    --muted: #333;
    --line: #ccc;
    --link: #000;
    --fill: #000;
  }

  body { font-size: 11pt; }
  .site-header { background: none; color: #000; border-bottom: 1px solid #000; }
  .brand { color: #000; }
  .platform { border-color: #000; }
  .skip-link, .app-nav, .toc, .site-footer ul { display: none; }
  .hero { padding-block: 1rem; }
  .layout { display: block; padding-block: 1rem; }
  .email-button { padding: 0; background: none; color: #000; }
}