/* Matembo Safari & Tours — Button System */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 3rem;
  padding: 0.8125rem 1.75rem;
  border: 1px solid transparent;
  border-radius: var(--radius-soft);
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  line-height: 1;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition:
    color var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out),
    transform var(--duration-fast) var(--ease-out),
    box-shadow var(--duration-normal) var(--ease-out);
}

.btn:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
}

.btn:active {
  transform: scale(0.98);
}

.btn__icon {
  width: 0.875rem;
  height: 0.875rem;
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out);
}

/* Gentle center-out fill with depth */
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  transform: scale(0);
  transform-origin: center center;
  transition: transform 0.5s var(--ease-reveal);
  z-index: -1;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 -2px 0 rgba(0, 0, 0, 0.18);
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.14) 0%,
    transparent 42%
  );
  transition: opacity var(--duration-normal) var(--ease-out);
  pointer-events: none;
}

.btn:hover::before,
.btn:focus-visible::before {
  transform: scale(1);
}

.btn:hover::after,
.btn:focus-visible::after {
  opacity: 1;
}

/* Secondary & card CTAs — gentler luxury hover */
.btn--secondary,
.btn--card,
.btn--ghost,
.btn--secondary-dark {
  transition:
    color 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out),
    background 0.35s var(--ease-out),
    box-shadow 0.35s var(--ease-out);
}

.btn--secondary::before,
.btn--card.btn--secondary::before,
.btn--card.btn--primary::before,
.btn--ghost::before {
  transition: transform 0.65s var(--ease-out), opacity 0.35s var(--ease-out);
}

.btn--secondary:hover,
.btn--secondary:focus-visible,
.btn--card.btn--secondary:hover,
.btn--card.btn--secondary:focus-visible,
.btn--card.btn--primary:hover,
.btn--card.btn--primary:focus-visible,
.btn--ghost:hover,
.btn--ghost:focus-visible {
  transform: none;
  box-shadow: 0 4px 14px rgba(10, 10, 10, 0.08);
}

.btn--secondary:hover::after,
.btn--secondary:focus-visible::after,
.btn--card:hover::after,
.btn--card:focus-visible::after,
.btn--ghost:hover::after,
.btn--ghost:focus-visible::after {
  opacity: 0.55;
}

.btn--secondary-dark:hover,
.btn--secondary-dark:focus-visible {
  transform: none;
  box-shadow: 0 4px 16px rgba(201, 169, 98, 0.22);
}

.btn:hover .btn__icon,
.btn:focus-visible .btn__icon {
  transform: translateX(2px);
}

.btn--secondary:hover .btn__icon,
.btn--card:hover .btn__icon,
.btn--ghost:hover .btn__icon {
  transform: translateX(1px);
}

.btn--primary {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(243, 241, 236, 0.92) 100%
  );
  color: var(--color-brand-dark);
  border-color: rgba(38, 136, 72, 0.42);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.72) inset,
    0 2px 8px rgba(38, 136, 72, 0.1),
    0 1px 2px rgba(10, 10, 10, 0.06);
}

.btn--primary::before {
  background: linear-gradient(
    165deg,
    var(--color-brand-light) 0%,
    var(--color-brand) 48%,
    var(--color-brand-dark) 100%
  );
}

.btn--primary:hover,
.btn--primary:focus-visible {
  color: var(--color-white);
  border-color: var(--color-brand-dark);
  box-shadow:
    0 6px 20px rgba(30, 109, 58, 0.28),
    0 1px 3px rgba(10, 10, 10, 0.08);
}

.btn--secondary {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.98) 0%,
    rgba(250, 246, 238, 0.94) 100%
  );
  color: var(--color-gold-dark);
  border-color: rgba(201, 169, 98, 0.45);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.72) inset,
    0 2px 8px rgba(201, 169, 98, 0.12),
    0 1px 2px rgba(10, 10, 10, 0.05);
}

.btn--secondary::before {
  background: linear-gradient(
    165deg,
    var(--color-gold-light) 0%,
    var(--color-gold) 50%,
    var(--color-gold-dark) 100%
  );
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  color: var(--color-white);
  border-color: var(--color-gold-dark);
  box-shadow: 0 5px 18px rgba(168, 136, 66, 0.24);
}

.btn--primary-dark {
  background: transparent;
  color: var(--color-ink);
  border-color: rgba(10, 10, 10, 0.2);
  box-shadow: none;
}

.btn--primary-dark::before {
  background: var(--color-brand);
}

.btn--primary-dark:hover,
.btn--primary-dark:focus-visible {
  color: var(--color-white);
  border-color: var(--color-brand);
  box-shadow: 0 6px 24px rgba(38, 136, 72, 0.35);
}

.btn--secondary-dark {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(4px);
}

.btn--secondary-dark::before {
  background: var(--color-gold);
}

.btn--secondary-dark:hover,
.btn--secondary-dark:focus-visible {
  color: var(--color-black);
  border-color: var(--color-gold);
  box-shadow: 0 6px 24px rgba(201, 169, 98, 0.35);
}

.btn--ghost {
  min-height: 2.65rem;
  padding: 0.65rem 1.35rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.btn--ghost::before {
  background: rgba(255, 255, 255, 0.92);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  color: var(--color-brand-dark);
  border-color: rgba(255, 255, 255, 0.85);
  box-shadow: 0 8px 24px rgba(10, 10, 10, 0.22);
}

.btn--card {
  min-height: 2.5rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.085em;
  flex: 1;
}

/* Card CTAs — crafted, brand-forward (animation unchanged) */
.btn--card.btn--primary {
  background: transparent;
  color: var(--color-brand-dark);
  border: 1.5px solid rgba(38, 136, 72, 0.38);
  box-shadow: none;
}

.btn--card.btn--primary::before {
  background: linear-gradient(
    165deg,
    var(--color-brand-light) 0%,
    var(--color-brand) 48%,
    var(--color-brand-dark) 100%
  );
}

.btn--card.btn--primary:hover,
.btn--card.btn--primary:focus-visible {
  color: var(--color-white);
  border-color: var(--color-brand-dark);
  box-shadow:
    0 8px 22px rgba(30, 109, 58, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.btn--card.btn--secondary {
  background: transparent;
  color: var(--color-gold-dark);
  border: 1.5px solid rgba(201, 169, 98, 0.45);
  box-shadow: none;
}

.btn--card.btn--secondary::before {
  background: linear-gradient(
    165deg,
    var(--color-gold-light) 0%,
    var(--color-gold) 50%,
    var(--color-gold-dark) 100%
  );
}

.btn--card.btn--secondary:hover,
.btn--card.btn--secondary:focus-visible {
  color: var(--color-white);
  border-color: var(--color-gold-dark);
  box-shadow:
    0 8px 22px rgba(168, 136, 66, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.btn-group {
  display: flex;
  gap: var(--space-xs);
  width: 100%;
}

/* Buttons on photo / light media — high contrast */
.btn--on-media {
  background: rgba(10, 10, 10, 0.42);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
}

.btn--on-media::before {
  background: linear-gradient(
    165deg,
    var(--color-brand-light) 0%,
    var(--color-brand) 46%,
    var(--color-brand-dark) 100%
  );
}

.btn--on-media:hover,
.btn--on-media:focus-visible {
  color: var(--color-white);
  border-color: var(--color-brand-light);
  background: transparent;
  box-shadow:
    0 12px 32px rgba(30, 109, 58, 0.42),
    0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Contact band — white buttons on green */
.home-contact .btn--primary {
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.06);
}

.home-contact .btn--primary::before {
  background: linear-gradient(
    165deg,
    #ffffff 0%,
    #f3f1ec 52%,
    #e8e4dc 100%
  );
}

.home-contact .btn--primary:hover,
.home-contact .btn--primary:focus-visible {
  color: var(--color-brand-dark);
  border-color: rgba(255, 255, 255, 0.95);
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.home-contact .btn--secondary {
  color: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 0.55);
  background: transparent;
}

.home-contact .btn--secondary::before {
  background: linear-gradient(
    165deg,
    var(--color-gold-light) 0%,
    var(--color-gold) 50%,
    var(--color-gold-dark) 100%
  );
}

.home-contact .btn--secondary:hover,
.home-contact .btn--secondary:focus-visible {
  color: var(--color-black);
  border-color: var(--color-gold-light);
}

@media (max-width: 480px) {
  .btn-group {
    flex-direction: column;
  }

  .btn--card {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn::before {
    transform: scale(1);
    opacity: 0;
    transition: opacity var(--duration-normal);
  }

  .btn:hover::before,
  .btn:focus-visible::before {
    opacity: 1;
  }
}