/* ============================================================
   HAPTO · CARE - COMPONENTS
   Every component defined with its state matrix.
   Depends on: tokens.css, base.css
   Every color references a token, never a raw hex.
   ============================================================ */

/* ============================================================
   BUTTON
   variant: primary | secondary | ghost | accent | care | white
   size:    sm | md (default) | lg
   ============================================================ */

.btn {
  --btn-pad-y: var(--space-3);
  --btn-pad-x: var(--space-5);
  --btn-font-size: var(--text-sm);
  --btn-radius: var(--radius-pill);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--btn-pad-y) var(--btn-pad-x);
  font-family: var(--font-body);
  font-size: var(--btn-font-size);
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: var(--tracking-normal);
  border-radius: var(--btn-radius);
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  text-decoration: none;
  transition:
    background-color var(--dur-fast) var(--ease-out-brand),
    border-color var(--dur-fast) var(--ease-out-brand),
    color var(--dur-fast) var(--ease-out-brand),
    box-shadow var(--dur-fast) var(--ease-out-brand),
    transform var(--dur-fast) var(--ease-spring);
}
.btn:focus-visible { box-shadow: var(--focus-ring); outline: none; }
.btn:disabled,
.btn[aria-disabled="true"] { cursor: not-allowed; opacity: 0.5; pointer-events: none; }
.btn[aria-busy="true"] { cursor: progress; }

.btn-sm { --btn-pad-y: var(--space-2); --btn-pad-x: var(--space-4); --btn-font-size: var(--text-xs); }
.btn-lg { --btn-pad-y: var(--space-4); --btn-pad-x: var(--space-6); --btn-font-size: var(--text-base); }

/* primary (teal) */
.btn-primary { background: var(--brand-primary); color: var(--text-on-accent); }
.btn-primary:hover  { background: var(--brand-primary-hover); box-shadow: var(--glow-sm); transform: translateY(-2px); }
.btn-primary:active { background: var(--brand-primary-active); transform: translateY(0); box-shadow: none; }

/* secondary (outline) */
.btn-secondary { background: transparent; color: var(--text-strong); border-color: var(--border-strong); }
.btn-secondary:hover  { border-color: var(--brand-primary); color: var(--brand-primary-text); background: var(--brand-primary-muted); }
.btn-secondary:active { background: var(--surface-sunken); }

/* ghost */
.btn-ghost { background: transparent; color: var(--text-subtle); }
.btn-ghost:hover { color: var(--text-strong); background: var(--surface-sunken); }

/* accent (violet - AI moments) */
.btn-accent { background: var(--brand-accent); color: var(--text-on-accent); }
.btn-accent:hover { background: var(--brand-accent-hover); box-shadow: var(--glow-accent); transform: translateY(-2px); }

/* care (coral - warm, human; use sparingly, never the main CTA) */
.btn-care { background: var(--brand-care); color: var(--text-on-care); }
.btn-care:hover { box-shadow: 0 8px 30px color-mix(in oklab, var(--coral-400) 32%, transparent); transform: translateY(-2px); }

/* white (on coloured/gradient panels) */
.btn-white { background: var(--neutral-0); color: var(--teal-700); }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--elev-2); }

.btn-icon { --btn-pad-x: var(--btn-pad-y); aspect-ratio: 1 / 1; }

.btn[aria-busy="true"]::after {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: btn-spin 0.7s linear infinite;
}
@keyframes btn-spin { to { transform: rotate(360deg); } }

/* ============================================================
   CARD
   ============================================================ */

.card {
  background: var(--surface-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--elev-1);
  transition:
    border-color var(--dur-base) var(--ease-out-brand),
    box-shadow var(--dur-base) var(--ease-out-brand),
    transform var(--dur-base) var(--ease-spring);
}
.card:hover { box-shadow: var(--elev-2); }
.card-interactive { cursor: pointer; }
.card-interactive:hover { transform: translateY(-3px); box-shadow: var(--elev-3); border-color: var(--border-accent); }
.card-interactive:focus-visible { box-shadow: var(--focus-ring), var(--elev-3); outline: none; }

/* ============================================================
   PILL / EYEBROW BADGE (status chips above headlines)
   ============================================================ */

.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  background: var(--surface-overlay);
  border: 1px solid var(--border-subtle);
  color: var(--text-subtle);
  box-shadow: var(--elev-1);
}
.pill .pill-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--state-ok-strong);
  box-shadow: 0 0 0 3px var(--state-ok-subtle);
}
.pill-dot.pulse { animation: pulse-dot 2.2s var(--ease-in-out) infinite; }
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklab, var(--state-ok-strong) 50%, transparent); }
  50%      { box-shadow: 0 0 0 5px color-mix(in oklab, var(--state-ok-strong) 0%, transparent); }
}

/* ============================================================
   GENERIC STATUS BADGE
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  line-height: 1.4;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-info { background: var(--state-info-subtle); color: var(--state-info-strong); border-color: color-mix(in oklab, var(--state-info-strong) 26%, transparent); }
.badge-ok   { background: var(--state-ok-subtle);   color: var(--state-ok-strong);   border-color: color-mix(in oklab, var(--state-ok-strong) 26%, transparent); }
.badge-warn { background: var(--state-warn-subtle); color: var(--state-warn-strong); border-color: color-mix(in oklab, var(--state-warn-strong) 26%, transparent); }
.badge-crit { background: var(--state-crit-subtle); color: var(--state-crit-strong); border-color: color-mix(in oklab, var(--state-crit-strong) 26%, transparent); }
.badge-brand{ background: var(--brand-primary-muted); color: var(--brand-primary-text); border-color: var(--border-accent); }
.badge-ai   { background: var(--brand-accent-muted); color: var(--brand-accent-text); border-color: color-mix(in oklab, var(--violet-400) 30%, transparent); }
.badge-dot  { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

/* ============================================================
   SECTION HEADERS
   ============================================================ */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--brand-primary-text);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  margin-bottom: var(--space-3);
}
.eyebrow::before {
  content: "";
  width: 18px; height: 1px;
  background: currentColor;
  opacity: 0.5;
}
.eyebrow.center { justify-content: center; }
.eyebrow.no-rule::before { display: none; }

/* ============================================================
   NAV
   ============================================================ */

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  padding: var(--space-4) 0;
  transition: background var(--dur-base) var(--ease-out-brand),
              padding var(--dur-base) var(--ease-out-brand),
              box-shadow var(--dur-base) var(--ease-out-brand);
}
.nav.scrolled {
  background: color-mix(in oklab, var(--surface-canvas) 80%, transparent);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--space-3) 0;
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; gap: var(--space-5); }
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-strong);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
}
.nav-brand-mark { width: 34px; height: 34px; flex-shrink: 0; }
/* "Hapto care" as one tight wordmark, shared baseline */
.nav-wordmark { display: inline-flex; align-items: baseline; }
.nav-wordmark .wm-care {
  margin-left: 0.22em;
  font-weight: var(--weight-medium);
  color: var(--brand-primary-text);
  letter-spacing: var(--tracking-tight);
}
.nav-links-desktop { display: flex; align-items: center; gap: var(--space-1); }
.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-subtle);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out-brand), background var(--dur-fast) var(--ease-out-brand);
}
.nav-link:hover,
.nav-link[aria-current="page"] { color: var(--text-strong); background: var(--surface-sunken); }
.nav-actions { display: flex; align-items: center; gap: var(--space-3); }

/* mobile burger + drawer */
.nav-burger { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: var(--radius-md); color: var(--text-strong); }
.nav-burger:hover { background: var(--surface-sunken); }
.nav-burger-box { position: relative; width: 22px; height: 16px; display: inline-block; }
.nav-burger-bar {
  position: absolute; left: 0; width: 100%; height: 2px;
  border-radius: var(--radius-pill); background: currentColor;
  transition: transform var(--dur-base) var(--ease-out-brand), opacity var(--dur-fast) var(--ease-out-brand), top var(--dur-base) var(--ease-out-brand);
}
.nav-burger-bar:nth-child(1) { top: 0; }
.nav-burger-bar:nth-child(2) { top: 7px; }
.nav-burger-bar:nth-child(3) { top: 14px; }
.nav-burger.is-open .nav-burger-bar:nth-child(1) { top: 7px; transform: rotate(45deg); }
.nav-burger.is-open .nav-burger-bar:nth-child(2) { opacity: 0; }
.nav-burger.is-open .nav-burger-bar:nth-child(3) { top: 7px; transform: rotate(-45deg); }

.nav-mobile {
  position: fixed; inset: 0;
  z-index: calc(var(--z-nav) - 1);
  background: color-mix(in oklab, var(--surface-canvas) 99%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: calc(var(--space-9) + var(--space-2)) var(--gutter-page) var(--space-6);
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out-brand);
  overflow-y: auto;
}
.nav-mobile.is-open { opacity: 1; pointer-events: auto; }
.nav-mobile-inner { display: grid; gap: var(--space-2); }
.nav-mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  color: var(--text-strong);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border-subtle);
  letter-spacing: var(--tracking-tight);
  min-height: 44px; display: flex; align-items: center;
}
.nav-mobile-cta { margin-top: var(--space-5); width: 100%; }

@media (max-width: 920px) {
  .nav-links-desktop { display: none; }
  .nav-actions .btn-secondary { display: none; }
  .nav-burger { display: inline-flex; }
}
@media (min-width: 921px) { .nav-mobile { display: none; } }

/* ============================================================
   FORM FIELD (used in pilot form + ROI calculator)
   ============================================================ */

.field { display: grid; gap: var(--space-2); }
.field-label { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--text-default); }
.input, .select, .textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--surface-raised);
  color: var(--text-strong);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: border-color var(--dur-fast) var(--ease-out-brand), box-shadow var(--dur-fast) var(--ease-out-brand);
}
.input::placeholder { color: var(--text-faint); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--border-strong); }
.input:focus-visible, .select:focus-visible, .textarea:focus-visible {
  border-color: var(--border-focus); box-shadow: var(--focus-ring); outline: none;
}
.textarea { min-height: 96px; resize: vertical; line-height: var(--leading-body); }

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  border-top: 1px solid var(--border-subtle);
  padding-block: var(--space-8) var(--space-6);
  margin-top: var(--space-9);
  background: var(--surface-raised);
  position: relative;
  z-index: var(--z-base);
}
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-7); align-items: start; }
.footer-brand { display: grid; gap: var(--space-3); max-width: 34ch; }
.footer-col { display: grid; gap: var(--space-3); align-content: start; }
.footer-col h6 { color: var(--text-faint); margin-bottom: var(--space-1); }
.footer-col a { color: var(--text-subtle); font-size: var(--text-sm); transition: color var(--dur-fast) var(--ease-out-brand); }
.footer-col a:hover { color: var(--brand-primary-text); }
.footer-base {
  display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-4); flex-wrap: wrap;
  margin-top: var(--space-7); padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  color: var(--text-faint); font-size: var(--text-sm);
}
@media (max-width: 860px) { .footer-inner { grid-template-columns: 1fr 1fr; gap: var(--space-6); } }
@media (max-width: 520px) { .footer-inner { grid-template-columns: 1fr; } }