/* ============================================================
   APPLIED INTELLIGENCE LABS — MOLECULES  v1.1
   Components composed from atoms. Consumes ail-tokens.css and
   ail-atoms.css. Paper and glass from the same classes.
   ============================================================ */

/* ---------- card: paper = hairline, glass = lit glass ---------- */
.ail-card {
  position: relative; display: flex; flex-direction: column; gap: 14px;
  padding: var(--card-pad-y) var(--card-pad-x); border-radius: var(--radius-card);
  background: var(--bg-surface); border: var(--card-border); box-shadow: var(--card-shadow);
  color: var(--text-body);
}
.ail-card--chalk { background: var(--bg-page); border-color: transparent; }
.ail-card--link { text-decoration: none; transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out); }
.ail-card--link:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); }
.ail-card h3, .ail-card h4 { margin: 0; }
[data-theme="glass"] .ail-card {
  background: var(--glass-regular-bg);
  -webkit-backdrop-filter: var(--glass-regular-filter); backdrop-filter: var(--glass-regular-filter);
}
[data-theme="glass"] .ail-card::before {
  content: ""; position: absolute; inset: 0; padding: 1.5px; border-radius: inherit; background: var(--glass-rim);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
[data-theme="glass"] .ail-card--tinted { background: var(--glass-tinted-bg); }
[data-theme="glass"] .ail-card--chalk { background: var(--glass-clear-bg); }

/* ---------- service card (Build / Advise / Run / Teach) ----------
   Exactly the website's: a white card with a hairline, the service
   icon (02. Foundations/icons/service-*.svg), the title, a kicker
   line in Deep and the body in Steel. On glass: raised glass, the
   glass icon, a Signal kicker. */
.ail-services { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--gutter); }
.ail-service { position: relative; display: flex; flex-direction: column; gap: 14px; padding: var(--card-pad-y) var(--card-pad-x); border-radius: var(--radius-card); background: var(--bg-surface); border: var(--card-border); }
.ail-service__icon { display: block; width: 56px; height: 56px; }
.ail-service__title { margin: 12px 0 0; font-size: var(--text-h4); line-height: var(--line-height-title); font-weight: var(--font-weight-bold); letter-spacing: var(--tracking-h4); color: var(--text-primary); }
.ail-service__kicker { margin: 0; font-size: var(--text-kicker); font-weight: var(--font-weight-semibold); color: var(--color-primary); }
.ail-service__body { margin: 0; font-size: var(--text-body-web); line-height: var(--line-height-relaxed); color: var(--text-body); }
[data-theme="glass"] .ail-service { padding: 30px 28px; background: var(--glass-regular-bg); -webkit-backdrop-filter: var(--glass-regular-filter); backdrop-filter: var(--glass-regular-filter); box-shadow: var(--glass-raised); }
[data-theme="glass"] .ail-service::before {
  content: ""; position: absolute; inset: 0; padding: 1.5px; border-radius: inherit; background: var(--glass-rim);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
[data-theme="glass"] .ail-service__icon { width: 48px; height: 48px; filter: drop-shadow(-0.6px -0.6px 0 rgba(255,255,255,.35)) drop-shadow(1.5px 2px 2.5px rgba(0,0,0,.45)); }
[data-theme="glass"] .ail-service__title { margin-top: 10px; font-size: 1.75rem; }
[data-theme="glass"] .ail-service__kicker { font-size: .875rem; color: var(--color-signal); }
[data-theme="glass"] .ail-service__body { font-size: .96875rem; }

/* ---------- feature (the website's "How we work" principles) ---------- */
.ail-feature { display: flex; flex-direction: column; gap: var(--sp-4); }
.ail-feature h3 { margin: 0; }
.ail-feature p { margin: 0; font-size: var(--text-body-lg); line-height: var(--line-height-loose); color: var(--text-body); }

/* ---------- stat ---------- */
.ail-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--sp-6); }
.ail-stat { display: flex; flex-direction: column; gap: var(--sp-1); padding-top: var(--sp-4); border-top: 2px solid var(--color-primary); }
.ail-stat__value { font-size: clamp(2.25rem, 1.6rem + 2vw, 3.25rem); line-height: 1; font-weight: var(--font-weight-bold); letter-spacing: var(--tracking-display); color: var(--text-primary); font-variant-numeric: tabular-nums; }
.ail-stat__label { font-size: var(--text-sm); color: var(--text-muted); }
[data-theme="glass"] .ail-stat { border-top-color: var(--color-signal); }

/* ---------- section header ---------- */
.ail-section-header { display: flex; flex-direction: column; gap: var(--sp-4); max-width: 760px; margin-bottom: var(--sp-8); }
.ail-section-header .ail-lead { margin: 0; }

/* ---------- callout and alert ---------- */
.ail-callout { display: flex; flex-direction: column; gap: var(--sp-2); padding: var(--sp-5) var(--sp-6); border-radius: var(--radius-card); background: var(--bg-page); color: var(--text-body); }
.ail-callout .ail-pill { align-self: flex-start; background: var(--bg-surface); }
[data-theme="glass"] .ail-callout { background: var(--glass-tinted-bg); }

.ail-alert { display: flex; gap: var(--sp-3); align-items: flex-start; padding: var(--sp-4) var(--sp-5); border-radius: var(--radius-lg); font-size: var(--text-base); }
.ail-alert--info { background: var(--color-info-light); color: var(--text-primary); }
.ail-alert--success { background: var(--color-success-light); color: var(--text-primary); }
.ail-alert--warning { background: var(--color-warning-light); color: var(--text-primary); }
.ail-alert--error { background: var(--color-error-light); color: var(--text-primary); }
.ail-alert strong { color: var(--text-primary); }

/* ---------- segmented tabs ---------- */
.ail-tabs { display: inline-flex; gap: 4px; padding: 4px; border-radius: var(--radius-pill); background: var(--surface-sunk); }
.ail-tabs button { min-height: 38px; padding: 0 18px; border: 0; border-radius: var(--radius-pill); background: transparent; color: var(--text-secondary); font: var(--font-weight-semibold) var(--text-sm)/1 var(--font-primary); cursor: pointer; transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.ail-tabs button[aria-selected="true"] { background: var(--bg-layer-4); color: var(--text-primary); box-shadow: 0 1px 3px rgba(6,26,45,.12); }
[data-theme="glass"] .ail-tabs { background: var(--glass-recessed-bg); box-shadow: var(--glass-recessed); }
[data-theme="glass"] .ail-tabs button[aria-selected="true"] { background: var(--glass-bright-bg); color: var(--glass-bright-ink); box-shadow: var(--glass-bright-shadow); }

/* ---------- list row ---------- */
.ail-list { list-style: none; margin: 0; padding: 0; }
.ail-list-row { display: flex; align-items: center; gap: var(--sp-3); min-height: var(--tap-min); padding: var(--pad-row) 0; border-bottom: 1px solid var(--border-subtle); color: var(--text-primary); }
.ail-list-row__meta { margin-left: auto; color: var(--text-muted); font-size: var(--text-sm); font-variant-numeric: tabular-nums; }

/* ---------- search ---------- */
.ail-search { position: relative; }
.ail-search .ail-input { border-radius: var(--radius-pill); padding-left: 44px; }
.ail-search svg { position: absolute; left: 16px; top: 50%; width: 18px; height: 18px; transform: translateY(-50%); color: var(--text-muted); stroke-width: var(--icon-stroke); pointer-events: none; }

/* ---------- infographic parts ---------- */
.ail-legend { display: flex; flex-wrap: wrap; gap: var(--sp-5); font-size: var(--text-sm); color: var(--text-muted); }
.ail-legend span { display: inline-flex; align-items: center; gap: 8px; }
.ail-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 50%; border: 2px solid var(--color-primary); }
.ail-legend i.fill { background: var(--color-primary); }
.ail-legend i.route { width: 22px; height: 0; border: 0; border-top: 2.5px solid var(--color-primary); border-radius: 0; }
.ail-legend i.network, .ail-legend i.terrain { width: 24px; height: 8px; border: 0; border-radius: 0;
  background: radial-gradient(circle at 4px 4px, var(--line-contour) 2.6px, transparent 3.2px),
              radial-gradient(circle at 20px 4px, var(--line-contour) 2.6px, transparent 3.2px),
              linear-gradient(var(--line-contour), var(--line-contour)) 4px 3.25px / 16px 1.5px no-repeat; }

.ail-waypoints { list-style: none; margin: 0; padding: 0; display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; position: relative; counter-reset: wp; }
.ail-waypoints::before { content: ""; position: absolute; left: 20px; right: 20px; top: 19px; height: 2px; background: var(--line-contour); }
.ail-waypoints li { position: relative; display: flex; flex-direction: column; gap: var(--sp-2); counter-increment: wp; padding-right: var(--sp-4); }
.ail-waypoints li::before { content: counter(wp); display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; border: 2px solid var(--color-primary); background: var(--bg-surface); color: var(--color-primary); font-weight: var(--font-weight-bold); font-variant-numeric: tabular-nums; position: relative; }
.ail-waypoints li:last-child::before { background: var(--color-primary); color: var(--color-primary-ink); }
.ail-waypoints b { color: var(--text-primary); font-size: var(--text-base); }
.ail-waypoints span { color: var(--text-muted); font-size: var(--text-sm); }
[data-theme="glass"] .ail-waypoints li::before { background: rgba(6,26,45,.8); border-color: var(--color-signal); color: var(--text-primary); }
[data-theme="glass"] .ail-waypoints li:last-child::before { background: var(--color-signal); color: var(--glass-bright-ink); }

/* ---------- a paper document shown on a glass page ----------
   <div class="ail-card" data-theme="paper"> resets the card to paper.
   ail-tokens.css re-declares the paper values; this removes the glass
   material itself. Glass never goes inside paper. */
[data-theme="glass"] [data-theme="paper"].ail-card,
[data-theme="glass"] [data-theme="paper"] .ail-card { background: var(--bg-surface); -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: var(--shadow-overlay); }
[data-theme="glass"] [data-theme="paper"].ail-card::before,
[data-theme="glass"] [data-theme="paper"] .ail-card::before { display: none; }