/* Hallmark · genre: modern-minimal · macrostructure: Long Document · theme: custom (tuned)
 * design-system: design.md · designed-as-app
 * Long-form reading: narrow measure, tight rhythm, no decorative chrome.
 */

@import url("../tokens.css");

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

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: clip;
}

html { scroll-behavior: smooth; }

body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-md-2);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover { color: var(--color-accent-2); }

img, svg { display: block; max-width: 100%; }

::selection { background: var(--color-accent); color: var(--color-accent-ink); }

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

/* ============================================================
   Nav · N9 edge-aligned (same voice as marketing)
   ============================================================ */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  padding-inline: var(--page-gutter);
  max-width: var(--page-max);
  margin-inline: auto;
}

.nav .brand { display: inline-flex; align-items: center; }
.nav .brand-logo { height: 34px; width: auto; object-fit: contain; }

.nav .back {
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  text-decoration: none;
  position: relative;
  padding-block: 2px;
  white-space: nowrap;
}

.nav .back::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: currentColor;
  transition: right var(--dur-short) var(--ease-out);
}

.nav .back:hover::after { right: 0; }

/* ============================================================
   Document
   ============================================================ */

.doc {
  max-width: var(--measure);
  margin-inline: auto;
  padding-block: clamp(2rem, 6vw, 5rem) clamp(4rem, 9vw, 8rem);
  padding-inline: var(--page-gutter);
}

.doc-meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-block-end: var(--space-md);
}

.doc-meta .sep { color: var(--color-rule-2); margin-inline: 0.5rem; }

.doc h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: normal;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-xl);
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
  text-wrap: balance;
}

.doc h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: normal;
  font-size: clamp(1.375rem, 2.4vw, 1.75rem);
  line-height: 1.25;
  margin: var(--space-2xl) 0 var(--space-sm);
  color: var(--color-ink);
  overflow-wrap: anywhere;
  min-width: 0;
}

.doc h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-style: normal;
  font-size: var(--text-md);
  letter-spacing: -0.005em;
  margin: var(--space-lg) 0 var(--space-xs);
  color: var(--color-ink-2);
}

.doc p { margin: 0 0 var(--space-sm); color: var(--color-ink-2); }

.doc ul,
.doc ol {
  margin: 0 0 var(--space-md);
  padding-inline-start: 1.375rem;
  color: var(--color-ink-2);
}

.doc li { margin: 0 0 0.5rem; }
.doc li > ul,
.doc li > ol { margin: 0.5rem 0 0; }

.doc hr {
  border: 0;
  border-top: var(--rule-hair) solid var(--color-rule);
  margin: var(--space-xl) 0;
}

.doc strong { color: var(--color-ink); font-weight: 600; }

/* In legal body, in-running-text emphasis is allowed to use italic body face. */
.doc em {
  font-family: var(--font-body);
  font-style: italic;
  color: var(--color-ink);
}

.doc code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-paper-2);
  padding: 1px 5px;
  border-radius: 3px;
}

.doc blockquote {
  margin: var(--space-md) 0;
  padding: 0.25rem 0 0.25rem var(--space-md);
  border-inline-start: 2px solid var(--color-accent);
  color: var(--color-ink-2);
  font-size: var(--text-md-2);
  line-height: 1.55;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0 var(--space-lg);
  font-size: var(--text-sm);
}

.doc th,
.doc td {
  text-align: left;
  padding: 0.625rem 0.875rem;
  border-bottom: var(--rule-hair) solid var(--color-rule);
  vertical-align: top;
}

.doc th {
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-muted);
  background: var(--color-paper-2);
}

.doc-loading {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

/* ============================================================
   Footer · matched Ft5 statement voice (legal-pages reduced)
   ============================================================ */

.foot {
  border-top: var(--rule-hair) solid var(--color-rule);
  padding-block: var(--space-lg);
  padding-inline: var(--page-gutter);
  color: var(--color-muted);
  font-size: var(--text-sm);
  text-align: center;
}

.foot a {
  color: var(--color-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.foot a:hover { color: var(--color-ink-2); border-color: var(--color-ink-2); }

.foot .sep { margin-inline: 0.625rem; color: var(--color-rule-2); }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}