/* ==========================================================================
   Loyalty stamp card
   ========================================================================== */

.loyalty {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.loyalty__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  gap: var(--spacing-xl);
  align-items: center;
}

@media (min-width: 880px) {
  .loyalty__container {
    grid-template-columns: 1fr 1.1fr;
  }
}

.loyalty__intro p {
  color: var(--color-muted);
  line-height: 1.7;
  margin: var(--spacing-sm) 0 var(--spacing-md);
  max-width: 46ch;
}

.loyalty__steps {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.loyalty__steps li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.92rem;
  color: var(--color-text);
}

.loyalty__step-num {
  flex-shrink: 0;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
}

/* === Card === */

.loyalty-card {
  background: linear-gradient(135deg, #1a2a1f 0%, #2d4a3a 100%);
  border-radius: 1.2rem;
  padding: var(--spacing-lg);
  color: #f0e6d2;
  box-shadow: 0 30px 60px -20px rgba(26, 42, 31, 0.45);
  position: relative;
  overflow: hidden;
  transform: perspective(800px) rotateY(-2deg) rotateX(2deg);
  transition: transform 0.4s ease;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.loyalty-card:hover {
  transform: perspective(800px) rotateY(0) rotateX(0);
}

/* Decorative pattern */
.loyalty-card::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 70%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.loyalty-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.loyalty-card__brand {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  margin: 0;
}

.loyalty-card__type {
  font-size: 0.7rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.7;
  margin: 0.3rem 0 0;
}

.loyalty-card__chip {
  width: 2.2rem;
  height: 1.7rem;
  background: linear-gradient(135deg, #d4a560 0%, #b08840 100%);
  border-radius: 0.3rem;
  position: relative;
}

.loyalty-card__chip::before,
.loyalty-card__chip::after {
  content: '';
  position: absolute;
  background: rgba(0, 0, 0, 0.15);
}

.loyalty-card__chip::before {
  top: 0; bottom: 0; left: 33%; width: 1px;
}

.loyalty-card__chip::after {
  top: 0; bottom: 0; left: 67%; width: 1px;
}

/* Stamps grid */

.loyalty-card__stamps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.6rem;
  margin: var(--spacing-md) 0 var(--spacing-lg);
  position: relative;
}

.loyalty-stamp {
  aspect-ratio: 1;
  border: 2px dashed rgba(240, 230, 210, 0.3);
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease;
}

.loyalty-stamp.is-stamped {
  border: 2px solid #f0e6d2;
  background: rgba(240, 230, 210, 0.1);
  animation: stamp-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes stamp-in {
  0%   { transform: scale(0) rotate(-30deg); opacity: 0; }
  50%  { transform: scale(1.2) rotate(-15deg); opacity: 1; }
  100% { transform: scale(1) rotate(-12deg); opacity: 1; }
}

.loyalty-stamp.is-stamped {
  transform: rotate(-12deg);
}

.loyalty-stamp svg {
  width: 60%;
  height: 60%;
  color: #f0e6d2;
  opacity: 0;
  transition: opacity 0.3s ease 0.2s;
}

.loyalty-stamp.is-stamped svg { opacity: 1; }

.loyalty-stamp__num {
  position: absolute;
  bottom: -1.1rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  opacity: 0.4;
  font-family: var(--font-heading);
}

/* Status footer */

.loyalty-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-top: var(--spacing-md);
  border-top: 1px dashed rgba(240, 230, 210, 0.2);
  margin-top: var(--spacing-md);
  position: relative;
}

.loyalty-card__count {
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1;
}

.loyalty-card__count small {
  font-size: 1rem;
  opacity: 0.6;
}

.loyalty-card__progress {
  font-size: 0.78rem;
  opacity: 0.7;
  text-align: right;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-heading);
}

/* Reward state */

.loyalty-card.is-completed {
  background: linear-gradient(135deg, #d4a560 0%, #b08840 100%);
  color: #1a2a1f;
}

.loyalty-card.is-completed .loyalty-stamp {
  border-color: rgba(26, 42, 31, 0.3);
}

.loyalty-card.is-completed .loyalty-stamp.is-stamped {
  border-color: #1a2a1f;
  background: rgba(26, 42, 31, 0.1);
}

.loyalty-card.is-completed .loyalty-stamp svg {
  color: #1a2a1f;
}

.loyalty-card.is-completed .loyalty-card__footer {
  border-color: rgba(26, 42, 31, 0.3);
}

/* Reward popup */

.loyalty-card__reward {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 165, 96, 0.95), rgba(176, 136, 64, 0.95));
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--spacing-md);
  border-radius: 1.2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 2;
}

.loyalty-card.is-completed .loyalty-card__reward.is-shown {
  opacity: 1;
  pointer-events: auto;
}

.loyalty-card__reward h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin: 0.5rem 0;
  color: #1a2a1f;
}

.loyalty-card__reward p {
  margin: 0 0 1rem;
  color: #1a2a1f;
  opacity: 0.85;
}

.loyalty-card__reward button {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 0.7rem 1.5rem;
  background: #1a2a1f;
  color: #f0e6d2;
  border: none;
  border-radius: 999px;
  cursor: pointer;
}

/* Demo controls */

.loyalty__demo {
  display: flex;
  gap: 0.5rem;
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.loyalty__demo button {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  cursor: pointer;
  color: var(--color-text);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.loyalty__demo button:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}