/* Hallmark · design-system: design.md · MindDrop marketing site
 * Shared stylesheet for every page (landing inherits via index.html inline + this).
 * Genre: modern-minimal (calm editorial). Anchor hue 282 (indigo).
 * Imports tokens.css (single source of truth). */

@import url("tokens.css");

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 350;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body { overflow-x: clip; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: normal;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
}
p { margin: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap { width: 100%; max-width: 68rem; margin-inline: auto; padding-inline: clamp(1.25rem, 5vw, 3rem); }
html, body { width: 100%; }
.measure { max-width: 62ch; }

/* ---- Nav: N5 Floating pill (consistent on every page) ---- */
.nav {
  position: fixed; top: var(--space-md); left: 50%; transform: translateX(-50%);
  z-index: var(--z-sticky);
  display: flex; align-items: center; gap: var(--space-lg);
  padding: 0.5rem 0.5rem 0.5rem 1.1rem;
  background: oklch(18% 0.030 282 / 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 30px oklch(8% 0.02 282 / 0.35);
  max-width: calc(100% - 2rem);
}
.nav__brand { display: flex; align-items: center; gap: 0.55rem; text-decoration: none; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
.nav__brand img { width: 26px; height: 26px; border-radius: 8px; }
.nav__links { display: flex; align-items: center; gap: var(--space-md); }
.nav__link { color: var(--color-neutral); text-decoration: none; font-size: 0.9rem; white-space: nowrap; transition: color var(--dur-short) var(--ease-out); }
.nav__link:hover { color: var(--color-ink); }
.nav__cta {
  background: var(--color-accent); color: var(--color-accent-ink);
  text-decoration: none; font-weight: 500; font-size: 0.9rem;
  padding: 0.55rem 1.05rem; border-radius: var(--radius-pill); white-space: nowrap;
  transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.nav__cta:hover { transform: translateY(-1.5px); }
.nav__cta:active { transform: translateY(0); }
.nav__cta:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.nav__toggle { display: none; background: none; border: 0; color: var(--color-ink); padding: 0.4rem; cursor: pointer; }
.nav__sheet { display: none; }

/* ---- Footer: Ft1 Mast-headed (consistent on every page) ---- */
.foot {
  border-top: 1px solid var(--color-rule);
  padding-block: var(--space-2xl);
}
.foot__inner { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--space-lg); }
.foot__brand { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; }
.foot__tag { color: var(--color-neutral); font-size: var(--text-sm); margin-top: var(--space-03xs); max-width: 30ch; }
.foot__links { display: flex; flex-wrap: wrap; gap: var(--space-md); }
.foot__links a { color: var(--color-neutral); text-decoration: none; font-size: var(--text-sm); white-space: nowrap; transition: color var(--dur-short) var(--ease-out); }
.foot__links a:hover { color: var(--color-ink); }
.foot__meta { color: var(--color-muted); font-size: var(--text-xs); margin-top: var(--space-lg); }

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: var(--color-accent); color: var(--color-accent-ink);
  text-decoration: none; font-weight: 500; font-size: 1rem;
  padding: 0.85rem 1.5rem; border-radius: var(--radius-pill); white-space: nowrap;
  transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.btn-primary:hover { transform: translateY(-1.5px); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 0.5rem;
  color: var(--color-ink); text-decoration: none; font-weight: 500; font-size: 0.95rem;
  border: 1px solid var(--color-rule); padding: 0.8rem 1.2rem; border-radius: var(--radius-pill); white-space: nowrap;
  transition: border-color var(--dur-short) var(--ease-out);
}
.btn-ghost:hover { border-color: var(--color-neutral); }
.btn-ghost:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

/* ---- Prose (legal / article bodies) ---- */
.prose { max-width: 62ch; margin-inline: auto; padding-block: var(--space-3xl); overflow-wrap: anywhere; }
@media (max-width: 48rem) { .prose { max-width: 100%; } }
.prose > * + * { margin-top: var(--space-lg); }
.prose h1 { font-size: var(--text-3xl); margin-bottom: var(--space-sm); }
.prose .updated { color: var(--color-muted); font-size: var(--text-sm); margin-bottom: var(--space-2xl); }
.prose h2 { font-size: var(--text-2xl); margin-top: var(--space-2xl); margin-bottom: var(--space-sm); scroll-margin-top: 90px; }
.prose h3 { font-size: var(--text-lg); margin-top: var(--space-xl); margin-bottom: var(--space-xs); }
.prose p { color: var(--color-neutral); }
.prose ul, .prose ol { color: var(--color-neutral); padding-inline-start: var(--space-lg); }
.prose li { margin-top: var(--space-xs); }
.prose li::marker { color: var(--color-accent); }
.prose strong { color: var(--color-ink); font-weight: 500; }
.prose a { color: var(--color-accent); text-decoration: none; border-bottom: 1px solid oklch(80% 0.150 75 / 0.4); }
.prose a:hover { border-bottom-color: var(--color-accent); }

/* ---- Article frame ---- */
.article { max-width: 44rem; margin-inline: auto; padding-block: var(--space-3xl); overflow-wrap: anywhere; }
@media (max-width: 48rem) { .article { max-width: 100%; } }
.article__back { color: var(--color-accent); font-size: var(--text-sm); text-decoration: none; }
.article__back:hover { text-decoration: underline; }
.article__head { margin-block: var(--space-lg) var(--space-2xl); }
.article__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-md); font-size: var(--text-xs); }
.article__kicker { color: var(--color-accent); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; background: oklch(80% 0.150 75 / 0.12); padding: 0.25rem 0.6rem; border-radius: var(--radius-pill); }
.article__date, .article__read { color: var(--color-muted); }
.article h1 { font-size: var(--text-3xl); line-height: 1.1; overflow-wrap: anywhere; min-width: 0; }
.article__body, .article__body p, .article__body li { overflow-wrap: anywhere; word-break: break-word; }

/* Responsive comparison table */
.compare { width: 100%; max-width: 100%; border-collapse: collapse; font-size: var(--text-sm); display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare thead, .compare tbody, .compare tr, .compare th, .compare td { display: block; }
.compare thead { display: none; }
.compare tr { display: grid; grid-template-columns: 1fr; gap: 0.25rem; padding: 0.75rem 0; border-bottom: 1px solid var(--color-rule); }
.compare th, .compare td { padding: 0.25rem 0; text-align: left; width: 100%; }
.compare .col-app { font-weight: 600; color: var(--color-accent); }
.compare .mark-yes::before { content: "✓ "; color: var(--color-success, #22c55e); }
.compare .mark-no::before { content: "✗ "; color: var(--color-danger, #ef4444); }
@media (min-width: 48rem) {
  .compare { display: table; }
  .compare thead { display: table-header-group; }
  .compare tbody { display: table-row-group; }
  .compare tr { display: table-row; padding: 0; border: 0; }
  .compare th, .compare td { display: table-cell; padding: 0.6rem 0.8rem; text-align: left; }
}
.article__lead { color: var(--color-neutral); font-size: var(--text-lg); margin-top: var(--space-md); }
.article__body > * + * { margin-top: var(--space-lg); }
.article__body h2 { font-size: var(--text-2xl); margin-top: var(--space-2xl); margin-bottom: var(--space-xs); scroll-margin-top: 90px; }
.article__body h3 { font-size: var(--text-lg); margin-top: var(--space-xl); margin-bottom: var(--space-xs); }
.article__body p { color: var(--color-neutral); }
.article__body ul, .article__body ol { color: var(--color-neutral); padding-inline-start: var(--space-lg); }
.article__body li { margin-top: var(--space-xs); }
.article__body li::marker { color: var(--color-accent); }
.article__body strong { color: var(--color-ink); font-weight: 500; }
.article__cta { margin-top: var(--space-2xl); background: var(--color-paper-2); border: 1px solid var(--color-rule); border-radius: var(--radius-card); padding: var(--space-xl); text-align: center; }
.article__cta h3 { font-size: var(--text-xl); margin-bottom: var(--space-sm); }
.article__cta p { color: var(--color-neutral); margin-bottom: var(--space-lg); }
.related { margin-top: var(--space-2xl); }
.related h3 { font-size: var(--text-lg); margin-bottom: var(--space-md); }
.related__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
.related a { display: block; background: var(--color-paper-2); border: 1px solid var(--color-rule); border-radius: var(--radius-card); padding: var(--space-lg); text-decoration: none; color: inherit; transition: border-color var(--dur-short) var(--ease-out); }
.related a:hover { border-color: var(--color-accent); }
.related .k { font-size: var(--text-xs); color: var(--color-accent); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-2xs); }
.related .t { font-weight: 500; }

/* ---- Blog index ---- */
.blogindex { padding-block: var(--space-3xl); }
.blogindex h1 { font-size: var(--text-3xl); }
.blogindex__lead { color: var(--color-neutral); font-size: var(--text-lg); margin-top: var(--space-md); max-width: 52ch; }
.postlist { margin-top: var(--space-2xl); border-top: 1px solid var(--color-rule); }
.postlist a {
  display: grid; grid-template-columns: 8rem 1fr; gap: var(--space-lg); align-items: baseline;
  padding-block: var(--space-lg); border-bottom: 1px solid var(--color-rule);
  text-decoration: none; color: inherit; transition: background-color var(--dur-short) var(--ease-out);
}
.postlist a:hover { background: var(--color-paper-2); }
.postlist .meta { font-size: var(--text-xs); color: var(--color-muted); }
.postlist .k { display: inline-block; color: var(--color-accent); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--space-2xs); }
.postlist h2 { font-size: var(--text-xl); margin-bottom: var(--space-2xs); }
.postlist p { color: var(--color-neutral); font-size: var(--text-sm); max-width: 52ch; }

/* ---- Support / FAQ accordion ---- */
.faq { border-top: 1px solid var(--color-rule); margin-block: var(--space-lg) var(--space-2xl); }
.faq details { border-bottom: 1px solid var(--color-rule); }
.faq summary {
  cursor: pointer; padding: var(--space-md) 0; font-weight: 500; font-size: var(--text-md);
  list-style: none; display: flex; justify-content: space-between; gap: var(--space-md); align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { color: var(--color-neutral); flex: none; transition: transform var(--dur-short) var(--ease-out); }
.faq details[open] summary .ic { transform: rotate(45deg); }
.faq p { color: var(--color-neutral); padding-bottom: var(--space-md); max-width: 64ch; }
.contact-box { background: var(--color-paper-2); border: 1px solid var(--color-rule); border-radius: var(--radius-card); padding: var(--space-xl); margin-bottom: var(--space-2xl); }
.contact-box h2 { font-size: var(--text-2xl); margin-bottom: var(--space-sm); }
.contact-box p { color: var(--color-neutral); margin-bottom: var(--space-lg); }

/* ---- Mobile: keep containers within the viewport ---- */
@media (max-width: 60rem) {
  .wrap { max-width: 100%; }
  .article { max-width: 100%; }
  .prose { max-width: 100%; }
  .blogindex { max-width: 100%; }
}
@media (max-width: 60rem) {
  .nav__links { display: none; }
  .nav__toggle { display: inline-flex; }
  .nav__sheet.is-open {
    display: flex; position: fixed; left: 1rem; right: 1rem; bottom: 1rem; top: auto;
    flex-direction: column; gap: var(--space-sm); padding: var(--space-lg);
    background: oklch(18% 0.030 282 / 0.95); backdrop-filter: blur(16px);
    border: 1px solid var(--color-rule); border-radius: var(--radius-card); z-index: var(--z-dropdown);
  }
  .nav__sheet a { color: var(--color-ink); text-decoration: none; font-size: 1.05rem; padding: 0.4rem 0; }
  .related__grid { grid-template-columns: 1fr; }
  .postlist a { grid-template-columns: 1fr; gap: var(--space-2xs); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
  html { scroll-behavior: auto; }
}