/* =========================================================================
   Components — Button, Card, Badge, Tag, Input, Pill
   ========================================================================= */

/* Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.01em;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.btn:active { transform: translate3d(0, 1px, 0); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  box-shadow: var(--shadow-md);
}
.btn--primary:hover {
  background: var(--color-accent-pressed);
  box-shadow: var(--shadow-glow);
}
.btn--primary:focus-visible {
  outline-offset: 4px;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn--ghost:hover {
  background: var(--color-bg-elevated);
  border-color: var(--color-accent);
  color: var(--color-text);
}

.btn--link {
  background: transparent;
  color: var(--color-text);
  padding-inline: 0;
}
.btn--link:hover { color: var(--color-accent); }

.btn svg { width: 16px; height: 16px; flex-shrink: 0; transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover svg { transform: translate3d(3px, 0, 0); }

/* Cards -------------------------------------------------------------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-8);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
  isolation: isolate;
  overflow: hidden;
}

.card:hover {
  border-color: var(--color-border-strong);
  transform: translate3d(0, -2px, 0);
  box-shadow: var(--shadow-md);
}

.card__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.card__title {
  font-size: var(--fs-h3);
  line-height: var(--lh-heading);
  letter-spacing: var(--tracking-snug);
  color: var(--color-text);
  overflow-wrap: break-word;
  hyphens: auto;
}

.card__body {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text-muted);
  max-width: 52ch;
}

.card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}
.card__footer .link-arrow { white-space: nowrap; }

/* Accent-rail — subtle corner glow on hover */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, var(--color-accent) 140%);
  -webkit-mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
  pointer-events: none;
  z-index: 1;
}
.card:hover::before { opacity: 0.8; }

/* Service-Card Variant — has a prominent ID label -------------------- */
.service-card__id {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: var(--tracking-label);
  color: var(--color-text-soft);
  text-transform: uppercase;
}

.service-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

/* Badge + Tag -------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 3px var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
}

.badge--muted {
  color: var(--color-text-soft);
  background: var(--color-bg-overlay);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-label);
  color: var(--color-text-muted);
  background: var(--color-bg-overlay);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
}

/* Inputs ------------------------------------------------------------- */
.input {
  width: 100%;
  padding: var(--space-4) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}
.input::placeholder { color: var(--color-text-soft); }
.input:hover { border-color: var(--color-border-strong); }
.input:focus-visible {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-xs);
  background: var(--color-bg-overlay);
}

.textarea { min-height: 140px; resize: vertical; }

/* Number Marker (für Process-Steps) ---------------------------------- */
.marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-pill);
}

/* Divider ------------------------------------------------------------ */
.divider {
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--color-border-strong) 20%,
    var(--color-border-strong) 80%,
    transparent);
  border: 0;
  margin-block: var(--space-16);
}

/* Link with arrow ---------------------------------------------------- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  font-size: var(--fs-small);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.link-arrow:hover { color: var(--color-accent); border-color: var(--color-accent); }
.link-arrow svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  transition: transform var(--dur-fast) var(--ease-out);
}
.link-arrow:hover svg { transform: translate3d(3px, 0, 0); }