/* ============================================================
   AREAS INDEX — /areas
   Builds on colors_and_type.css + site.css + sell.css + area.css
   (.page-light nav, .ar-wrap, .ar-label, .ar-voice, .ar-crumbs,
   .ar-btn-ghost, .s-h, .s-p, .s-btn-navy, .s-frame).
   All new classes prefixed .ai-
   ============================================================ */

/* ---------- 1 · OPENING — compact, white ---------- */
.ai-open { background: var(--white); padding: 128px 0 72px; }
.ai-open .ar-crumbs { margin-bottom: 44px; }
.ai-open-grid {
  display: grid; grid-template-columns: 7fr 5fr; gap: 96px;
  align-items: end;
}
.ai-open .ar-label { margin: 0 0 22px; }
.ai-h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(44px, 5.4vw, 84px);
  line-height: 1; letter-spacing: -.026em;
  color: var(--navy); margin: 0; max-width: 14ch;
  text-wrap: balance;
}
.ai-h1 i { font-style: italic; }
.ai-sub { font-size: clamp(21px, 1.8vw, 26px); line-height: 1.4; margin: 22px 0 0; }
.ai-intro {
  font-family: var(--font-ui);
  font-size: 16.5px; line-height: 1.8; color: var(--ink);
  max-width: 46ch; margin: 0;
  padding-top: 24px; border-top: 1px solid var(--navy-line);
  text-wrap: pretty;
}

/* ---------- 2 · CITY GRID ---------- */
.ai-cities { background: var(--white); padding: 0 0 128px; }
.ai-cities-h {
  font-size: clamp(30px, 2.8vw, 42px); max-width: none;
  padding-top: 40px; border-top: 1px solid var(--navy-line);
  margin-bottom: 48px;
}
.ai-grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 64px; row-gap: 72px;
  align-items: start;
}
.ai-card { margin: 0; }
.ai-card .s-frame { aspect-ratio: 3 / 2; border: 0; margin: 0 0 28px; }
.ai-card .s-frame img { transition: transform .9s cubic-bezier(.2,.6,.2,1), opacity .3s ease; }
.ai-card .s-frame-slug { right: 20px; line-height: 1.7; }
.ai-credit {
  position: absolute; right: 14px; bottom: 10px;
  font-family: var(--font-ui); font-size: 10px; letter-spacing: .06em;
  color: var(--paper); opacity: .85;
  text-shadow: 0 1px 6px rgba(15,22,40,.6);
}
.ai-card h3 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(26px, 2.2vw, 34px); line-height: 1.1; letter-spacing: -.012em;
  color: var(--navy); margin: 0 0 12px; text-wrap: balance;
}
.ai-card p {
  font-family: var(--font-ui);
  font-size: 16px; line-height: 1.7; color: var(--ink);
  max-width: 50ch; margin: 0; text-wrap: pretty;
}

/* Text link — only rendered when a guide exists */
.ai-link {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 20px; padding: 8px 0;           /* ≥44px tap height with line-height */
  min-height: 44px;
  font-family: var(--font-ui); font-weight: 500;
  font-size: 11px; letter-spacing: .3em; text-transform: uppercase;
  color: var(--navy);
  border-bottom: 1px solid var(--navy-line);
  transition: border-color .2s ease, gap .25s ease;
}
.ai-link:hover { border-bottom-color: var(--navy); gap: 16px; }
.ai-link:focus-visible { outline: 1px solid var(--navy); outline-offset: 3px; }
.ai-card:has(.ai-link:hover) .s-frame img { transform: scale(1.025); }

/* ---------- 3 · CLOSING — paper ground, compact ---------- */
.ai-close { background: var(--paper); padding: 104px 0; border-top: 1px solid var(--navy-line); }
.ai-close-inner {
  display: grid; grid-template-columns: 6fr 5fr; gap: 96px; align-items: end;
}
.ai-close .s-h { font-size: clamp(34px, 3.6vw, 54px); max-width: 15ch; }
.ai-close .s-p { margin: 0 0 32px; max-width: 44ch; }
.ai-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 16px; }

@media (prefers-reduced-motion: reduce) {
  .ai-card .s-frame img, .ai-link { transition: none; }
  .ai-card:has(.ai-link:hover) .s-frame img { transform: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .ai-open-grid, .ai-close-inner { gap: 56px; }
  .ai-grid { column-gap: 40px; row-gap: 56px; }
}

@media (max-width: 860px) {
  .ai-open { padding: 100px 0 48px; }
  .ai-open .ar-crumbs { margin-bottom: 28px; }
  .ai-open-grid { grid-template-columns: 1fr; gap: 28px; }
  .ai-open .ar-label { font-size: 9.5px; letter-spacing: .34em; margin-bottom: 16px; }
  .ai-h1 { font-size: clamp(40px, 11vw, 56px); }
  .ai-sub { font-size: 20px; margin-top: 16px; }
  .ai-intro { font-size: 16px; padding-top: 20px; }

  .ai-cities { padding-bottom: 88px; }
  .ai-cities-h { padding-top: 32px; margin-bottom: 36px; }

  .ai-close { padding: 80px 0; }
  .ai-close-inner { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 640px) {
  .ai-grid { grid-template-columns: 1fr; row-gap: 56px; }
  .ai-card .s-frame { margin-bottom: 22px; }
  .ai-card h3 { font-size: 28px; }
  .ai-card p { max-width: none; }
  .ai-actions { flex-direction: column; align-items: stretch; }
  .ai-actions .s-btn-navy, .ai-actions .ar-btn-ghost { justify-content: center; }
}