/* ==========================================================================
   PREMIUM BUTTON SYSTEM (GLOBAL)
   ========================================================================== */
   :root {
  
  /* Premium Shadow Layering (Lebih halus & realistis) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-premium: 0 10px 30px -10px rgba(15, 23, 42, 0.3);
  --shadow-premium-hover: 0 20px 40px -15px rgba(15, 23, 42, 0.45);
  
  /* Shimmer Effect Variables */
  --btn-shine-bg: rgba(255, 255, 255, 0.25);
  --btn-shine-bg-dark: rgba(15, 23, 42, 0.1);

  /* Transisi Ultra Smooth (Menggunakan Bezier Kustom) */
  --transition-premium: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-fast: all 0.15s ease;
}

/* ==========================================================================
   REFINED PREMIUM BUTTON SYSTEM
   ========================================================================== */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 18px 36px;
  border-radius: 3px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: var(--transition-premium);
  cursor: pointer;
   text-transform: uppercase;
  }

.btn-group {
  flex-wrap: wrap;
  display: flex;
  gap: 20px;
} 

.btn-group-cta{
  justify-content: center;
    flex-wrap: wrap;
  display: flex;
  gap: 20px;
}


/* --- EFEK HOVER GLOBAL 1: Tactile Click --- */
.btn:active {
  transform: scale(0.96) translateY(1px) !important;
  transition: var(--transition-fast);
}

/* --- EFEK HOVER GLOBAL 2: Icon Animation --- */
/* Jika ada ikon di dalam button, ikon akan sedikit bergeser maju saat hover */
.btn svg {
  transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  fill: currentColor; /* Ikon akan mengikuti warna teks tombol */
}
.btn:hover svg {
  transform: translateX(4px);
}


/* Global Disabled State */
.btn:disabled,
.btn.is-disabled {
  opacity: 0.6;
  pointer-events: none;
  cursor: not-allowed;
}

/* --------------------------------------------------------------------------
   VARIANTS (Tanpa !important)
   -------------------------------------------------------------------------- */

/* 1. Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--btn-shadow-hover);
  transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.btn-primary:active {
  box-shadow: var(--btn-shadow-active);
}

/* 2. Secondary Button */
.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-primary);
  box-shadow: 0 4px 15px rgba(212, 164, 55, 0.25);
  border: var(--btn-secondary-border, none);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  color: var(--color-primary);
  transform: translateY(-3px);
  transition: var(--transition-premium);
  box-shadow: 0 8px 50px rgba(212, 164, 55, 0.4);
}

/* 3. Outline Button */
.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  transition: var(--transition-premium);
  color: var(--color-white);
}

/* Extra: Outline White (Untuk Background Gelap/Hero Section) */
.btn-outline-white {
  background-color: transparent;
  border-color: var(--color-white);
  transition: var(--transition-premium);
  color: var(--color-white);
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

/* 4. Ghost / Text Button (Sangat berguna untuk tombol 'Batal' atau 'Pelajari Selengkapnya') */
.btn-ghost {
  background-color: transparent;
  color: var(--color-primary);
}

.btn-ghost:hover {
  background-color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   SIZES (Sistem Padding Proporsional)
   -------------------------------------------------------------------------- */

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
  border-radius: calc(var(--btn-radius) - 2px);
}

.btn-md {
  padding: 10px 20px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

/* Utility: Jika ingin button melebar penuh di container-nya */
.btn-block {
  display: flex;
  width: 100%;
}

/* ==========================================================================
   PREMIUM HOVER MODIFIERS (Pilih Sesuai Selera)
   ========================================================================== */

/* --------------------------------------------------------------------------
   VARIAN A: THE SHINE & LIFT (Sangat direkomendasikan untuk Primary)
   Tombol akan terangkat, bayangan menebal, dan ada kilatan cahaya mewah melintas.
   -------------------------------------------------------------------------- */
.btn-premium-shine {
  background-color: var(--color-primary);
  color: var(--color-white);
  overflow: hidden; /* Penting untuk efek kilatan */
}

/* Pseudo-element untuk kilatan cahaya */
.btn-premium-shine::before {
  content: '';
  position: absolute;
  top: 0;
  left: -150%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    var(--btn-shine-bg),
    transparent
  );
  transform: skewX(-25deg);
  z-index: -1;
}

.btn-premium-shine:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-4px); /* Efek melayang */
  box-shadow: var(--shadow-premium-hover);
  transition: var(--transition-premium);
  color: var(--color-white);
}

/* Memicu animasi kilatan saat hover */
.btn-premium-shine:hover::before {
  animation: shineEffect 0.8s ease-in-out;
}

@keyframes shineEffect {
  100% {
    left: 150%;
  }
}

/* --------------------------------------------------------------------------
   VARIAN B: THE MORPHING OUTLINE (Sangat mewah untuk Secondary/Outline)
   Awalnya transparan/border polos, saat di-hover background akan "mengisi" dari bawah.
   -------------------------------------------------------------------------- */
.btn-premium-morph {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-premium-morph::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0%; /* Mulai dari bawah dengan tinggi 0 */
  background-color: var(--color-primary);
  z-index: -1;
  transition: var(--transition-premium);
}

.btn-premium-morph:hover {
  color: var(--color-white) !important;
  transform: translateY(-2px);
  transition: var(--transition-premium);
}

.btn-premium-morph:hover::before {
  height: 100%; /* Mengisi penuh ke atas */
}

/* --------------------------------------------------------------------------
   VARIAN C: THE BORDER GLOW (Untuk Dark Mode / Elemen Estetik)
   Memberikan efek pendaran halus pada border luar tombol.
   -------------------------------------------------------------------------- */
.btn-premium-glow {
  background-color: var(--color-primary);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-premium-glow:hover {
  background-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.4), /* Glow warna accent */
              var(--shadow-premium-hover);
  border-color: var(--color-accent);
  transition: var(--transition-premium);
}

.btn-secondary-white-premium {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--color-white, #ffffff);
}
.btn-secondary-white-premium:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-4px);
}

@media screen and (max-width: 768px) {
  .btn {
    width: 100%;
      font-size: 0.9rem;
    }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
}