/* GRABA IMAGEN — Botones */

@property --angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.btn-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(10px,2vw,16px);
  padding: clamp(14px,2.5vw,20px) clamp(28px,5vw,52px);
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(0.9rem,2.2vw,1.2rem);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
  isolation: isolate;
  overflow: hidden;
  white-space: nowrap;
  border: 3px solid transparent;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
  background:
    linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%) padding-box,
    conic-gradient(from var(--angle,0deg), var(--color-accent), var(--color-primary-mid), var(--color-accent)) border-box;
  animation: spinBorder 3s linear infinite;
  -webkit-tap-highlight-color: transparent;
}

@keyframes spinBorder { to { --angle: 360deg; } }

.btn-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-mid) 50%, var(--color-accent) 100%);
  background-size: 250% 250%;
  animation: gradShift 4s ease infinite;
  z-index: -2;
}

@keyframes gradShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.btn-cta::after {
  content: '';
  position: absolute;
  top: -60%; left: -30%;
  width: 80%; height: 200%;
  background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,0.22) 50%, transparent 70%);
  transform: skewX(-20deg) translateX(-100%);
  transition: transform 0s;
}

.btn-cta:hover::after {
  transform: skewX(-20deg) translateX(350%);
  transition: transform 0.65s cubic-bezier(0.25,0.46,0.45,0.94);
}

.btn-cta:hover  { transform: translateY(-5px) scale(1.04); box-shadow: var(--shadow-glow); }
.btn-cta:active { transform: translateY(0) scale(0.97); transition: transform 0.15s ease; }

.btn-secondary {
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: clamp(12px,2vw,18px) clamp(24px,4vw,44px);
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(0.85rem,2vw,1.1rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.btn-secondary:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.btn-ghost {
  background: rgba(255,255,255,0.08);
  border: 1.5px solid rgba(255,255,255,0.25);
  color: var(--color-white);
  backdrop-filter: blur(8px);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: clamp(12px,2vw,18px) clamp(24px,4vw,44px);
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(0.85rem,2vw,1.1rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.18);
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(0,194,255,0.3);
}

@media (hover: none) and (pointer: coarse) {
  .btn-cta:hover, .btn-secondary:hover, .btn-ghost:hover { transform: none; }
  .btn-cta:active, .btn-secondary:active { transform: scale(0.96); }
  .btn-cta { min-height: 52px; }
}