/* =========================================================
   SULVEO — 4. Components (Buttons, Cards, Pills, WhatsApp)
   ========================================================= */

/* Buttons */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  border-radius: 999px;
  padding: .875rem 1.75rem;
  font-weight: 700;
  transition: .3s;
}
.btn--sm { padding: .5rem 1rem; font-size: .875rem; }
.btn--lg { padding: .9rem 1.9rem; }
.btn--primary {
  color: var(--ink);
  background: linear-gradient(to left, var(--bronze-lt), var(--bronze), var(--bronze-dk));
  box-shadow: var(--shadow-bronze);
}
.btn--primary:hover { box-shadow: var(--shadow-bronze-lg); }
.btn--primary::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgb(255 245 230 / .28) 50%, transparent 60%);
  transform: translateX(-160%);
  transition: transform .9s ease;
}
.btn--primary:hover::after { transform: translateX(160%); }

.btn--wa {
  background: var(--wa);
  color: var(--ink);
  box-shadow: 0 12px 36px rgb(var(--wa-rgb) / .35);
}
.btn--wa:hover { filter: brightness(1.1); }
.btn--wa-ghost {
  border: 1px solid rgb(var(--wa-rgb) / .45);
  background: rgb(var(--wa-rgb) / .1);
  color: var(--wa);
}
.btn--wa-ghost:hover { background: var(--wa); color: var(--ink); }
.btn:disabled { opacity: .6; cursor: wait; }

/* Cards & Containers */
.card {
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background: var(--card);
  transition: border-color .5s, background .5s;
}
.card:hover { border-color: rgb(var(--bronze-rgb) / .55); }

/* Badges & Pills */
.pill {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .25rem .75rem;
  font-family: var(--font-num);
  font-size: .6875rem;
  font-weight: 600;
  color: var(--sand);
  transition: .3s;
}
.pill--bronze {
  border-color: rgb(var(--bronze-rgb) / .3);
  color: var(--bronze-lt);
}
.tags {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.stars {
  display: flex;
  gap: .25rem;
  color: var(--bronze-lt);
}
.stars svg { width: 1rem; height: 1rem; }

/* Links */
.link-arrow {
  margin-top: 2rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  color: var(--bronze-lt);
  transition: color .3s;
}
.link-arrow:hover { color: var(--bronze); }
.link-underline {
  margin-top: 1rem;
  font-size: .875rem;
  color: var(--sand);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color .3s;
}
.link-underline:hover { color: var(--cream); }

/* Floating WhatsApp Button */
.wa-float {
  position: fixed !important;
  bottom: 24px !important;
  right: 24px !important;
  left: auto !important;
  width: 56px !important;
  height: 56px !important;
  border-radius: 50% !important;
  background: #25d366 !important;
  color: #ffffff !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  z-index: 9999 !important;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 4px 12px rgba(0, 0, 0, 0.25) !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  cursor: pointer !important;
  text-decoration: none !important;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease !important;
}
.wa-float:hover {
  transform: scale(1.1) !important;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.55), 0 6px 16px rgba(0, 0, 0, 0.3) !important;
}
.wa-float svg {
  position: relative;
  width: 30px !important;
  height: 30px !important;
  fill: #ffffff !important;
  color: #ffffff !important;
}
.wa-float__tip {
  position: absolute;
  right: calc(100% + 14px);
  left: auto;
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--coal);
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--cream);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  transform: translateX(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.wa-float:hover .wa-float__tip {
  opacity: 1;
  transform: translateX(0);
}
@media (max-width: 640px) {
  .wa-float {
    bottom: 18px !important;
    right: 18px !important;
    width: 48px !important;
    height: 48px !important;
  }
  .wa-float svg {
    width: 26px !important;
    height: 26px !important;
  }
  .wa-float__tip {
    display: none !important;
  }
}

.pulse { position: relative; }
.pulse::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.45);
  animation: pulse-ring 2.2s cubic-bezier(.2, .6, .36, 1) infinite;
  pointer-events: none;
}