/* ============================================================
   Components — reusable UI atoms + molecules
   ============================================================ */

/* ---------- Buttons ---------- */
.ld-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ld-s-2);
  height: 48px;
  padding-inline: var(--ld-s-6);
  border-radius: var(--ld-r-pill);
  font-family: var(--ld-font-body);
  font-size: var(--ld-fs-body);
  font-weight: var(--ld-w-medium);
  letter-spacing: var(--ld-tracking-snug);
  transition: background var(--ld-dur-1) var(--ld-ease), color var(--ld-dur-1) var(--ld-ease), transform var(--ld-dur-1) var(--ld-ease);
  white-space: nowrap;
}
.ld-btn:active { transform: scale(0.98); }

.ld-btn--primary { background: var(--ld-ink); color: var(--ld-bg); }
.ld-btn--primary:hover { background: #1f1c19; }

.ld-btn--accent  { background: var(--ld-accent); color: #fff; }
.ld-btn--accent:hover  { background: var(--ld-accent-hover); }

.ld-btn--ghost   { background: transparent; color: var(--ld-ink); box-shadow: inset 0 0 0 1px var(--ld-line-strong); }
.ld-btn--ghost:hover { background: rgba(10,10,10,0.04); }

.ld-btn--on-dark { background: var(--ld-on-dark); color: var(--ld-ink); }
.ld-btn--on-dark:hover { background: #fff; }

.ld-btn--ghost-on-dark { background: transparent; color: var(--ld-on-dark); box-shadow: inset 0 0 0 1px var(--ld-line-dark); }
.ld-btn--ghost-on-dark:hover { background: rgba(245,240,230,0.06); }

.ld-btn--sm { height: 36px; padding-inline: var(--ld-s-4); font-size: var(--ld-fs-sm); }
.ld-btn--lg { height: 56px; padding-inline: var(--ld-s-8); font-size: var(--ld-fs-body-lg); }

/* ---------- Inline link (Apple-style) ---------- */
.ld-link {
  color: var(--ld-accent);
  font-weight: var(--ld-w-medium);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--ld-dur-1) var(--ld-ease), color var(--ld-dur-1) var(--ld-ease);
}
.ld-link:hover { color: var(--ld-accent-hover); gap: 10px; }
.ld-link::after { content: "→"; font-size: 1em; transform: translateY(-1px); }

.ld-link--on-dark { color: var(--ld-on-dark); }
.ld-link--on-dark:hover { color: #fff; }

/* ---------- Chip / pill ---------- */
.ld-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--ld-r-pill);
  background: var(--ld-paper);
  color: var(--ld-ink-2);
  font-size: var(--ld-fs-sm);
  font-weight: var(--ld-w-medium);
  box-shadow: inset 0 0 0 1px var(--ld-line);
  transition: background var(--ld-dur-1) var(--ld-ease), color var(--ld-dur-1) var(--ld-ease);
}
.ld-chip:hover { background: var(--ld-ink); color: var(--ld-bg); }
.ld-chip--active { background: var(--ld-ink); color: var(--ld-bg); }
.ld-chip--on-dark { background: var(--ld-dark-2); color: var(--ld-on-dark); box-shadow: inset 0 0 0 1px var(--ld-line-dark); }
.ld-chip--on-dark.ld-chip--active { background: var(--ld-on-dark); color: var(--ld-ink); }

/* ---------- Number stat ---------- */
.ld-stat__num {
  font-family: var(--ld-font-display);
  font-weight: var(--ld-w-extralight);
  font-size: clamp(44px, 4.8vw, 72px);
  letter-spacing: var(--ld-tracking-display);
  line-height: 0.95;
  font-variant-numeric: tabular-nums;
}
.ld-stat__label {
  font-family: var(--ld-font-mono);
  font-size: 12px;
  letter-spacing: var(--ld-tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ld-mute);
  margin-top: var(--ld-s-3);
}

/* ---------- Card ---------- */
.ld-card {
  background: var(--ld-paper);
  border-radius: var(--ld-r-lg);
  padding: var(--ld-s-6);
  box-shadow: inset 0 0 0 1px var(--ld-line);
  transition: transform var(--ld-dur-2) var(--ld-ease), box-shadow var(--ld-dur-2) var(--ld-ease);
}
.ld-card--hover:hover { transform: translateY(-2px); box-shadow: inset 0 0 0 1px var(--ld-line-strong), var(--ld-shadow-card); }

.ld-card--flat { background: transparent; box-shadow: none; padding: 0; }

/* ---------- Top navigation (desktop) ---------- */
.ld-nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--ld-bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--ld-line);
}
.ld-nav__row {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.ld-nav__brand { display: flex; align-items: center; gap: 10px; font-weight: var(--ld-w-medium); letter-spacing: -0.01em; }
.ld-nav__brand-mark {
  width: 22px; height: 22px; border-radius: 6px; background: var(--ld-ink);
  display: grid; place-items: center; color: var(--ld-bg);
  font-family: var(--ld-font-display); font-weight: 600; font-size: 12px;
}
.ld-nav__links { display: flex; gap: 28px; }
.ld-nav__links a {
  font-size: var(--ld-fs-sm); color: var(--ld-ink-2);
  transition: color var(--ld-dur-1) var(--ld-ease);
}
.ld-nav__links a:hover { color: var(--ld-ink); }
.ld-nav__cta { display: flex; align-items: center; gap: 12px; }
.ld-nav__search {
  display: flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 14px;
  background: var(--ld-paper);
  border-radius: var(--ld-r-pill);
  box-shadow: inset 0 0 0 1px var(--ld-line);
  font-size: var(--ld-fs-sm); color: var(--ld-mute);
  min-width: 240px;
}

/* ---------- Mobile nav ---------- */
.ld-mnav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--ld-bg) 80%, transparent);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--ld-line);
}
.ld-mnav__row {
  display: flex; align-items: center; justify-content: space-between;
  height: 52px; padding-inline: var(--ld-gutter-mobile);
}

/* ---------- Tabbar (mobile bottom) ---------- */
.ld-tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: color-mix(in srgb, var(--ld-bg) 78%, transparent);
  backdrop-filter: saturate(180%) blur(24px);
  border-top: 1px solid var(--ld-line);
  display: grid; grid-template-columns: repeat(5, 1fr);
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
}
.ld-tabbar__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; padding: 6px 0;
  font-family: var(--ld-font-body);
  font-size: 10px; letter-spacing: 0.02em;
  color: var(--ld-mute);
}
.ld-tabbar__item--active { color: var(--ld-ink); }
.ld-tabbar__icon {
  width: 22px; height: 22px;
  display: grid; place-items: center;
}

/* ---------- Sheet / floating panel ---------- */
.ld-sheet {
  background: var(--ld-paper);
  border-radius: var(--ld-r-xl);
  box-shadow: var(--ld-shadow-pop);
  padding: var(--ld-s-8);
}

/* ---------- Footer ---------- */
.ld-footer {
  background: var(--ld-dark);
  color: var(--ld-on-dark-2);
  padding-block: var(--ld-s-20) var(--ld-s-10);
}
.ld-footer a { color: var(--ld-on-dark-2); }
.ld-footer a:hover { color: var(--ld-on-dark); }
.ld-footer__col h4 {
  font-family: var(--ld-font-mono);
  font-size: 11px;
  letter-spacing: var(--ld-tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ld-on-dark-mute);
  margin-bottom: var(--ld-s-4);
  font-weight: var(--ld-w-medium);
}
.ld-footer__col li { padding: 6px 0; font-size: var(--ld-fs-sm); }

/* ---------- Form input ---------- */
.ld-input, .ld-textarea, .ld-select {
  width: 100%;
  background: var(--ld-paper);
  border: 0;
  box-shadow: inset 0 0 0 1px var(--ld-line);
  border-radius: var(--ld-r-md);
  padding: 14px 16px;
  font-family: var(--ld-font-body);
  font-size: var(--ld-fs-body);
  color: var(--ld-ink);
  transition: box-shadow var(--ld-dur-1) var(--ld-ease);
}
.ld-input::placeholder, .ld-textarea::placeholder { color: var(--ld-mute); }
.ld-input:focus, .ld-textarea:focus, .ld-select:focus {
  outline: none;
  box-shadow: inset 0 0 0 1px var(--ld-ink);
}
.ld-textarea { min-height: 120px; resize: vertical; line-height: 1.5; }
.ld-field { display: flex; flex-direction: column; gap: 8px; }
.ld-field__label {
  font-family: var(--ld-font-mono);
  font-size: 11px;
  letter-spacing: var(--ld-tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ld-mute);
  font-weight: var(--ld-w-medium);
}

/* ---------- Multi-step form nav (concierge.js) ---------- */
.fp__nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: var(--ld-s-10);
  padding-top: var(--ld-s-6);
  border-top: 1px solid var(--ld-line);
}
@media (max-width: 760px) {
  .fp__nav { margin-top: var(--ld-s-8); padding-top: var(--ld-s-5); }
  .fp__nav .ld-btn { flex: 1; }
}

/* ---------- Concierge success screen ---------- */
.conc-success {
  background: var(--ld-bg);
  padding: var(--ld-s-24) var(--ld-gutter-desk);
  min-height: 70vh;
}
@media (max-width: 760px) {
  .conc-success { padding: var(--ld-s-16) var(--ld-gutter-mobile); }
}
.conc-success__inner {
  max-width: var(--ld-w-narrow);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.conc-success__badge {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--ld-ink);
  color: var(--ld-bg);
  display: grid; place-items: center;
}
.conc-success__summary {
  width: 100%;
  margin-top: var(--ld-s-12);
  background: var(--ld-paper);
  border-radius: var(--ld-r-lg);
  padding: var(--ld-s-10);
  box-shadow: inset 0 0 0 1px var(--ld-line);
}
.conc-success__summary h3 { display: block; margin-bottom: var(--ld-s-6); }
.conc-success__summary dl { display: grid; gap: 1px; background: var(--ld-line); border-top: 1px solid var(--ld-line); border-bottom: 1px solid var(--ld-line); }
.conc-success__summary dl > div { background: var(--ld-paper); padding: 16px 0; display: grid; grid-template-columns: 200px 1fr; gap: 24px; align-items: baseline; }
@media (max-width: 760px) {
  .conc-success__summary { padding: var(--ld-s-6); }
  .conc-success__summary dl > div { grid-template-columns: 1fr; gap: 4px; padding: 14px 0; }
}
.conc-success__summary dt {
  font-family: var(--ld-font-mono);
  font-size: 11px;
  letter-spacing: var(--ld-tracking-eyebrow);
  text-transform: uppercase;
  color: var(--ld-mute);
}
.conc-success__summary dd { font-size: 16px; color: var(--ld-ink); text-wrap: pretty; }
.conc-success__cta {
  display: flex; gap: 12px; margin-top: var(--ld-s-10); flex-wrap: wrap;
}
@media (max-width: 760px) {
  .conc-success__cta { flex-direction: column; width: 100%; }
  .conc-success__cta .ld-btn { width: 100%; }
}

/* ---------- Reveal (subtle on-load) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .ld-reveal { opacity: 0; transform: translateY(12px); animation: ld-reveal var(--ld-dur-4) var(--ld-ease-out) both; }
  .ld-reveal[data-delay="1"] { animation-delay: 80ms; }
  .ld-reveal[data-delay="2"] { animation-delay: 160ms; }
  .ld-reveal[data-delay="3"] { animation-delay: 240ms; }
  .ld-reveal[data-delay="4"] { animation-delay: 320ms; }
  @keyframes ld-reveal { to { opacity: 1; transform: none; } }
}