/* BASE STYLES */
:root {
  --primary: #4d4dff;
  --primary-dark: #3a3ac7;
  --secondary: #FFD700;
  --dark: #1a1a2e;
  --darker: #16213e;
  --light: #e6e6e6;
  --lighter: #ffffff;
  --accent: #4dff7a;
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  --card-bg: linear-gradient(160deg, #23273a 0%, #1a1f35 100%);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, var(--dark) 0%, var(--darker) 100%);
  background-color: var(--dark); /* Fallback */
  color: var(--light);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* BACKGROUND ANIMATION */
.background-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: radial-gradient(circle at 20% 50%, rgba(77, 77, 255, 0.1) 0%, transparent 20%),
              radial-gradient(circle at 80% 30%, rgba(255, 215, 0, 0.08) 0%, transparent 25%);
  animation: float 15s infinite alternate ease-in-out;
}

@keyframes float {
  0% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-20px) translateX(20px);
  }
  100% {
    transform: translateY(20px) translateX(-20px);
  }
}

/* HEADER */
.intro-header {
  width: 100%;
  background: rgba(24, 28, 47, 0.8);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 16px rgba(44, 62, 80, 0.18);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.intro-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
}

.intro-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--lighter);
  letter-spacing: 1px;
  text-shadow: 0 0 12px rgba(77, 77, 255, 0.3);
}

.logo-img {
  height: 40px;
  filter: drop-shadow(0 0 5px rgba(77, 77, 255, 0.5));
}

.intro-actions {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 0.7rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-register {
  background: var(--gradient);
  color: var(--lighter);
  box-shadow: 0 4px 15px rgba(77, 77, 255, 0.3);
}

.btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(77, 77, 255, 0.4);
}

.btn-login {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-login:hover {
  background: rgba(35, 39, 58, 0.5);
  color: var(--lighter);
  border-color: var(--primary-dark);
}

.glow-on-hover {
  position: relative;
  z-index: 1;
}

.glow-on-hover::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 6px;
  background: var(--gradient);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.glow-on-hover:hover::before {
  opacity: 1;
}

/* MAIN CONTENT */
.intro-main {
  flex: 1;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1rem;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
    padding-bottom: 4rem;
}

.intro-welcome {
  text-align: center;
  margin-bottom: 3rem;
  width: 100%;
  padding: 2rem 0;
  position: relative;
}

.welcome-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.intro-welcome h1 {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--lighter);
  letter-spacing: 1px;
  line-height: 1.2;
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 15px rgba(77, 77, 255, 0.3);
}

.intro-desc {
  font-size: 1.2rem;
  color: rgba(181, 181, 255, 0.9);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Scroll Down Indicator */
.scrolldown {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

.chevrons {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 50px;
}

.chevrondown {
  animation: pulse 2s infinite;
  opacity: 0.7;
}

.chevrondown:first-child {
  animation-delay: 0.2s;
}

.chevrondown:nth-child(2) {
  animation-delay: 0.4s;
}

.chevrondown {
  width: 20px;
  height: 20px;
  border-right: 3px solid var(--primary);
  border-bottom: 3px solid var(--primary);
  transform: rotate(45deg);
  margin-top: -10px;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.3;
    transform: rotate(45deg) translateY(0) scale(0.9);
  }
  50% {
    opacity: 1;
    transform: rotate(45deg) translateY(5px) scale(1);
  }
}

/* CARDS SECTION */
.intro-cards-section {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.intro-cards-title {
  text-align: center;
  font-size: 2rem;
  color: var(--lighter);
  margin-bottom: 5rem;
  position: relative;
  padding-bottom: 1rem;
}

.intro-cards-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--gradient);
  border-radius: 3px;
}

.account-cards-carousel {
  width: 100%;
  min-height: 1000px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 2000px;
  overflow: visible;
  padding: 20px 0;
  margin-bottom: 10px;
}

.account-card {
  position: absolute;
  width: 320px;
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: var(--card-bg);
  border-radius: 20px;
  padding: 2rem;
  color: var(--lighter);
  transition: all 0.7s cubic-bezier(0.23, 1, 0.32, 1), 
              box-shadow 0.5s ease,
              border-color 0.3s ease;
  cursor: pointer;
  border: 2px solid rgba(53, 58, 94, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  opacity: 0;
  pointer-events: none;
  will-change: transform, opacity;
  min-height: 480px;
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  overflow: hidden;
}

.account-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(77, 77, 255, 0.1) 0%, transparent 70%);
  transform: rotate(45deg);
  z-index: -1;
}

.account-card.active {
  opacity: 1;
  transform: translateX(-50%) scale(1.05);
  z-index: 3;
  border-color: var(--primary);
  box-shadow: 0 15px 40px rgba(77, 77, 255, 0.3),
              0 0 20px rgba(77, 77, 255, 0.2),
              0 0 40px rgba(77, 77, 255, 0.1);
  background: linear-gradient(160deg, #262b42 0%, #1e2339 100%);
  animation: cardGlow 3s infinite alternate;
}

.account-card.left {
  opacity: 0.7;
  transform: translateX(-110%) scale(0.85) rotateY(15deg);
  z-index: 2;
  pointer-events: auto;
}

.account-card.right {
  opacity: 0.7;
  transform: translateX(10%) scale(0.85) rotateY(-15deg);
  z-index: 2;
  pointer-events: auto;
}

/* Card Content */
.card-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(53, 58, 94, 0.5);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 15px rgba(77, 77, 255, 0.3);
  position: relative;
}

.card-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 2px;
  background: var(--gradient);
}

.card-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
  text-align: center;
  padding: 0.8rem;
  background: rgba(26, 31, 53, 0.5);
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  margin: 0.5rem 0;
}

.card-benefits {
  list-style: none;
  padding: 1rem;
  margin: 0;
  background: rgba(30, 34, 55, 0.5);
  border-radius: 10px;
  border: 1px solid rgba(53, 58, 94, 0.3);
  flex-grow: 1;
}

.card-benefits li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 0;
  color: rgba(181, 181, 255, 0.9);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(53, 58, 94, 0.2);
  transition: all 0.3s ease;
}

.card-benefits li.benefit-header {
  color: var(--primary);
  font-weight: 600;
  margin-top: 0.5rem;
}

.card-benefits li.active i {
  color: #4dff7a;
}

.card-benefits li.inactive i {
  color: #ff4d4d;
}

.card-benefits li i {
  font-size: 1rem;
  min-width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.card-benefits li.active i {
  background: rgba(77, 255, 122, 0.1);
}

.card-benefits li.inactive i {
  background: rgba(255, 77, 77, 0.1);
}

.card-desc {
  font-size: 0.95rem;
  color: rgba(138, 138, 255, 0.8);
  line-height: 1.6;
  padding: 0.8rem;
  background: rgba(26, 31, 53, 0.3);
  border-radius: 8px;
  font-style: italic;
  text-align: center;
}

.btn-buy {
  width: 100%;
  padding: 1rem;
  border: none;
  border-radius: 10px;
  background: var(--gradient);
  color: var(--lighter);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  margin-top: auto;
  box-shadow: 0 4px 15px rgba(77, 77, 255, 0.3);
  position: relative;
  overflow: hidden;
  z-index: 1;
  pointer-events: auto;
}

.btn-buy::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-buy:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(77, 77, 255, 0.4);
}

.btn-buy:hover::before {
  opacity: 1;
}



/* Navigation Buttons */
.carousel-nav {
  position: absolute;
  bottom: -60px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 2rem;
  z-index: 5;
}

.carousel-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  background: rgba(35, 39, 58, 0.5);
  color: var(--primary);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.carousel-btn:hover {
  background: var(--primary);
  color: var(--lighter);
  transform: scale(1.1);
  box-shadow: 0 0 15px rgba(77, 77, 255, 0.5);
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(77, 77, 255, 0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 10px rgba(77, 77, 255, 0);
  }
}

/* Card Glow Animation */
@keyframes cardGlow {
  0% {
    box-shadow: 0 15px 40px rgba(77, 77, 255, 0.3),
                0 0 20px rgba(77, 77, 255, 0.2),
                0 0 40px rgba(77, 77, 255, 0.1);
  }
  100% {
    box-shadow: 0 15px 50px rgba(77, 77, 255, 0.4),
                0 0 30px rgba(77, 77, 255, 0.3),
                0 0 60px rgba(77, 77, 255, 0.2);
  }
}

/* REGISTRATION SECTION */
.registration-section {
  width: 100%;
  max-width: 600px; /* Kurangi dari 800px ke 600px */
  margin: 7rem auto;
  padding: 0 1rem;
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.23, 1, 0.32, 1);
  height: 0;
  overflow: hidden;
  visibility: hidden;
}

.registration-section.visible {
  opacity: 1;
  transform: translateY(0);
  height: auto;
  visibility: visible;
  padding: 0 1rem 4rem;
}

.registration-container {
  background: rgba(30, 34, 51, 0.8);
  border-radius: 20px;
  padding: 3rem; /* Sesuaikan padding */
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(53, 58, 94, 0.3);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.registration-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(77, 77, 255, 0.05) 0%, transparent 70%);
  transform: rotate(45deg);
  z-index: -1;
}

.registration-logo {
  height: 70px;
  margin: 0 auto 2rem;
  display: block;
  filter: drop-shadow(0 0 10px rgba(77, 77, 255, 0.5));
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 100%; /* Ubah dari 500px ke 100% */
  margin: 0 auto;
}

.auth-form h2 {
  color: var(--primary);
  text-align: center;
  margin-bottom: 1rem;
  font-size: 2rem;
  font-weight: 700;
  text-shadow: 0 0 10px rgba(77, 77, 255, 0.3);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%; /* Pastikan full width */
}

.form-group label {
  color: rgba(181, 181, 255, 0.9);
  font-size: 1rem;
  font-weight: 500;
  margin-left: 0.5rem;
}

.input-wrapper {
  position: relative;
  width: 100%; /* Pastikan full width */
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(181, 181, 255, 0.7);
  font-size: 1rem;
}

.form-group input {
  width: 100%;
  padding: 0.9rem 1rem 0.9rem 2.5rem;
  border-radius: 10px;
  border: 1px solid rgba(53, 58, 94, 0.5);
  background: rgba(35, 39, 58, 0.5);
  color: var(--lighter);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(77, 77, 255, 0.3);
  background: rgba(35, 39, 58, 0.7);
}

.form-group input::placeholder {
  color: rgba(181, 181, 255, 0.4);
}

.selected-package-display {
  width: 100%; /* Pastikan full width */
  background: rgba(35, 39, 58, 0.5);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid rgba(77, 77, 255, 0.3);
  color: var(--lighter);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2);
}

.selected-package-display .card-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  text-align: center;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(53, 58, 94, 0.5);
  margin-bottom: 1rem;
}

.selected-package-display .card-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
  text-align: center;
  padding: 0.8rem;
  background: rgba(26, 31, 53, 0.5);
  border-radius: 10px;
  margin: 1rem 0;
}

.selected-package-display .card-benefits li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.6rem 0;
  color: rgba(181, 181, 255, 0.9);
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(53, 58, 94, 0.2);
}

.selected-package-display .card-benefits li.benefit-header {
  color: var(--primary);
  font-weight: 600;
  margin-top: 0.5rem;
}

.selected-package-display .card-benefits li.active i {
  color: #4dff7a;
}

.selected-package-display .card-benefits li.inactive i {
  color: #ff4d4d;
}

.selected-package-display .card-benefits {
  list-style: none;
  padding: 1rem;
  margin: 0;
  background: rgba(30, 34, 55, 0.5);
  border-radius: 10px;
  border: 1px solid rgba(53, 58, 94, 0.3);
}

.selected-package-display h3 {
  color: var(--primary);
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
  font-weight: 700;
}

.selected-package-display p {
  color: var(--secondary);
  font-weight: 600;
  margin: 0.5rem 0;
  font-size: 1.2rem;
}

.selected-package-display ul {
  padding-left: 1.5rem;
  margin: 1rem 0 0;
  list-style-type: none;
}

.selected-package-display li {
  color: rgba(181, 181, 255, 0.9);
  margin-bottom: 0.5rem;
  position: relative;
  padding-left: 1.5rem;
}

/* .selected-package-display li::before {
  content: "•";
  color: var(--accent);
  font-size: 1.5rem;
  position: absolute;
  left: 0;
  top: -3px;
} */

.btn-submit {
  background: var(--gradient);
  color: var(--lighter);
  border: none;
  padding: 1.2rem;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  margin-top: 1.5rem;
  box-shadow: 0 5px 20px rgba(77, 77, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-submit::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(77, 77, 255, 0.4);
}

.btn-submit:hover::before {
  opacity: 1;
}

.pulse-on-hover:hover {
  animation: pulse 0.5s;
}

.auth-link {
  text-align: center;
  color: rgba(181, 181, 255, 0.7);
  margin-top: 1.5rem;
  font-size: 0.95rem;
}

.auth-link a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.auth-link a:hover {
  color: var(--lighter);
  text-decoration: underline;
}

/* FOOTER */
.intro-footer {
  text-align: center;
  color: rgba(181, 181, 255, 0.6);
  font-size: 0.9rem;
  padding: 2rem 0;
  position: relative;
  z-index: 1;
  background: linear-gradient(to top, rgba(26, 26, 46, 1), transparent);
  margin-top: auto;
}

.intro-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(77, 77, 255, 0.3), transparent);
}

/* Tambahkan di perkenalan.css */

/* Contact Section */
.contact-buttons {
  display: flex;
  gap: 2rem;
  justify-content: center;
  position: relative;
  margin-bottom: 4rem; /* Tambah margin bottom untuk jarak ke footer */
  z-index: 5;
}

.contact-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  position: relative;
  transition: all 0.4s cubic-bezier(0.23, 1.02, 0.32, 1);
  overflow: hidden;
  border: none; /* Tambahkan ini */
  text-decoration: none; /* Tambahkan ini */
}

.contact-btn i {
  /* Tambahkan style untuk icon */
  position: relative;
  z-index: 2;
  color: white;
  font-size: 1.8rem;
  line-height: 1;
}

/* WhatsApp Button */
.whatsapp-btn {
  background: linear-gradient(45deg, #25D366, #128C7E);
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3),
              inset 0 2px 10px rgba(255, 255, 255, 0.2);
  color: white;
}

.whatsapp-btn::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.2) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.whatsapp-btn:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4),
              inset 0 2px 15px rgba(255, 255, 255, 0.3);
}

.whatsapp-btn:hover::before {
  opacity: 1;
}

/* Telegram Button */
.telegram-btn {
  background: linear-gradient(45deg, #2AABEE, #229ED9);
  box-shadow: 0 4px 15px rgba(42, 171, 238, 0.3),
              inset 0 2px 10px rgba(255, 255, 255, 0.2);
  color: white;
}

.telegram-btn::before {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.2) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.telegram-btn:hover {
  transform: translateY(-5px) scale(1.1);
  box-shadow: 0 8px 25px rgba(42, 171, 238, 0.4),
              inset 0 2px 15px rgba(255, 255, 255, 0.3);
}

.telegram-btn:hover::before {
  opacity: 1;
}

/* Tooltip untuk label */
.contact-btn::after {
  content: attr(data-label);
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.9rem;
  color: rgba(181, 181, 255, 0.8);
  white-space: nowrap;
  opacity: 0;
  transition: all 0.3s ease;
}

.contact-btn:hover::after {
  opacity: 1;
  bottom: -35px;
}

/* Responsive */
@media (max-width: 768px) {
  .contact-buttons {
    margin: -9rem auto 2rem; /* Sesuaikan untuk tablet */
        bottom: -25px;
    gap: 1.5rem;
  }
  
  .contact-btn {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .contact-buttons {
    margin: -7rem auto; /* Sesuaikan untuk mobile */
    bottom: -5px;
    gap: 1rem;
    margin-bottom: 4rem; /* Kurangi lagi untuk mobile */
  }
  
  .contact-btn {
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }
  .intro-main {
    padding-bottom: 1rem;
  }
}

@media (max-width: 360px) {
  .contact-buttons {
    margin: -8rem auto 2rem; /* Sesuaikan untuk mobile */
        bottom: -15px;
    gap: 1rem;
  }
  
  .contact-btn {
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }
}
/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
  .intro-welcome h1 {
    font-size: 2.4rem;
  }
  
  .intro-desc {
    font-size: 1.1rem;
  }
  
  .account-card {
    width: 300px;
    min-height: 450px;
  }
}

@media (max-width: 768px) {
  .intro-header-inner {
    padding: 1rem;
  }
  
  .intro-logo {
    font-size: 1.5rem;
  }
  
  .logo-img {
    height: 30px;
  }
  
  .intro-actions .btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }
  
  .intro-welcome h1 {
    font-size: 2rem;
  }
  
  .intro-desc {
    font-size: 1rem;
    max-width: 90%;
  }
  
  .intro-cards-title {
    font-size: 1.6rem;
    margin-bottom: 4rem;
  }
  
  .account-cards-carousel {
    min-height: 1100px;
    margin-bottom: -150px;
  }
  
  .account-card {
    width: 280px;
    min-height: 400px;
    padding: 1.5rem;
  }
  
  .account-card.active {
    transform: translateX(-50%) scale(1.1);
  }
  
  .account-card.left {
    transform: translateX(-120%) scale(0.8);
  }
  
  .account-card.right {
    transform: translateX(20%) scale(0.8);
  }
  
  .carousel-nav {
    bottom: -230px;
  }
  
  .registration-container {
    padding: 3rem 2.5rem; /* Tambah padding di desktop */
  }

  .form-group input {
    font-size: 1rem;
  }

  .auth-form h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
  }

  .btn-submit {
    padding: 1.2rem;
    font-size: 1.1rem;
  }
  .registration-section {
    margin-top: 20rem; /* Kurangi jarak di tablet */
  }
}

@media (max-width: 480px) {
  .intro-header-inner {
    padding: 0.8rem;
  }
  
  .intro-logo {
    font-size: 1.2rem;
    gap: 0.5rem;
  }
  
  .logo-img {
    height: 25px;
  }
  
  .intro-actions {
    gap: 0.5rem;
  }
  
  .intro-actions .btn {
    padding: 0.5rem 0.8rem;
    font-size: 0.8rem;
  }
  
  .intro-welcome h1 {
    font-size: 1.8rem;
  }
  
  .intro-desc {
    font-size: 0.95rem;
  }
  
  .intro-cards-title {
    font-size: 1.4rem;
    margin-bottom: 3rem;
  }
  
  .account-cards-carousel {
    min-height: 800px; /* Kurangi tinggi carousel */
    margin-bottom: -200px; /* Sesuaikan margin bottom */
  }
  
  .account-card {
    width: 220px; /* Perkecil lebar card */
    min-height: 340px; /* Perkecil tinggi minimum card */
    padding: 1rem;
    transform: translateX(-50%) scale(0.9); /* Skala default lebih kecil */
  }

    .account-card.active {
    transform: translateX(-50%) scale(1); /* Skala aktif card lebih kecil */
  }
  
  .account-card.left {
    transform: translateX(-100%) scale(0.8) rotateY(15deg); /* Sesuaikan posisi card kiri */
  }
  
  .account-card.right {
    transform: translateX(0%) scale(0.8) rotateY(-15deg); /* Sesuaikan posisi card kanan */
  }
  
  .card-title {
    font-size: 1.2rem;
    padding-bottom: 0.8rem;
  }
  
  .card-price {
    font-size: 1.1rem;
    padding: 0.6rem;
    margin: 0.4rem 0;
  }
  
  .card-benefits {
    padding: 0.8rem;
  }
  
  .card-benefits li {
    font-size: 0.85rem;
    padding: 0.4rem 0;
    gap: 0.6rem;
  }
  
  .card-desc {
    font-size: 0.8rem;
    padding: 0.6rem;
  }
  
  .btn-buy {
    padding: 0.8rem;
    font-size: 0.9rem;
  }

  /* Sesuaikan posisi navigasi */
  .carousel-nav {
    bottom: -250px; /* Sesuaikan posisi tombol navigasi */
  }
  
  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  
  .registration-container {
    padding: 1.5rem 1rem;
    border-radius: 16px;
  }
  
  .auth-form h2 {
    font-size: 1.6rem;
  }
  
  .form-group input {
    padding: 0.8rem 1rem 0.8rem 2.2rem;
  }
  
  .btn-submit {
    padding: 1rem;
    font-size: 1rem;
  }
  .registration-section {
    margin-top: 20rem; /* Kurangi jarak di mobile */
  }
}

@media (max-width: 360px) {
  .account-cards-carousel {
    min-height: 550px;
    margin-bottom: 20px;
  }
  
  .account-card {
    width: 200px;
    min-height: 320px;
  }
  
  .card-title {
    font-size: 1.1rem;
  }
  
  .card-price {
    font-size: 1rem;
  }
  
  .card-benefits li {
    font-size: 0.8rem;
  }
  
  .carousel-nav {
    bottom: -220px;
  }
    .registration-section {
    margin-top: 9rem; /* Kurangi jarak di mobile */
  }
}

/* ANIMATIONS */
[data-aos] {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-aos="fade-up"] {
  transform: translateY(20px);
  opacity: 0;
}

/* ANIMATIONS (CONTINUED) */
[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.8);
  opacity: 0;
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
  opacity: 1;
}

/* Floating Animation */
@keyframes floating {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

.floating-element {
  animation: floating 3s ease-in-out infinite;
}

/* Ripple Effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple:after {
  content: "";
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, #fff 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10, 10);
  opacity: 0;
  transition: transform .5s, opacity 1s;
}

.ripple:active:after {
  transform: scale(0, 0);
  opacity: .3;
  transition: 0s;
}

/* Hover Effects */
.hover-grow {
  transition: transform 0.3s ease;
}

.hover-grow:hover {
  transform: scale(1.05);
}

.hover-shine {
  position: relative;
  overflow: hidden;
}

.hover-shine::before {
  position: absolute;
  content: '';
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: 0.5s;
}

.hover-shine:hover::before {
  left: 100%;
}

/* Special Effects */
.glow-text {
  text-shadow: 0 0 10px currentColor;
}

.neon-border {
  box-shadow: 0 0 5px var(--primary), 0 0 10px var(--primary), 0 0 15px var(--primary);
  transition: box-shadow 0.3s ease;
}

.neon-border:hover {
  box-shadow: 0 0 10px var(--primary), 0 0 20px var(--primary), 0 0 30px var(--primary);
}

/* Loading Animation */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Wave Animation */
.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1200 120" xmlns="http://www.w3.org/2000/svg" preserveAspectRatio="none"><path d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z" fill="%234d4dff" opacity=".25"/><path d="M0,0V15.81C13,36.92,27.64,56.86,47.69,72.05,99.41,111.27,165,111,224.58,91.58c31.15-10.15,60.09-26.07,89.67-39.8,40.92-19,84.73-46,130.83-49.67,36.26-2.85,70.9,9.42,98.6,31.56,31.77,25.39,62.32,62,103.63,73,40.44,10.79,81.35-6.69,119.13-24.28s75.16-39,116.92-43.05c59.73-5.85,113.28,22.88,168.9,38.84,30.2,8.66,59,6.17,87.09-7.5,22.43-10.89,48-26.93,60.65-49.24V0Z" fill="%234d4dff" opacity=".5"/><path d="M0,0V5.63C149.93,59,314.09,71.32,475.83,42.57c43-7.64,84.23-20.12,127.61-26.46,59-8.63,112.48,12.24,165.56,35.4C827.93,77.22,886,95.24,951.2,90c86.53-7,172.46-45.71,248.8-84.81V0Z" fill="%234d4dff"/></svg>');
  background-size: cover;
  background-repeat: no-repeat;
  animation: wave 10s linear infinite;
}

@keyframes wave {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Tooltip */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.8rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  bottom: calc(100% + 10px);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* Particle Background */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.particle {
  position: absolute;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100vh) translateX(20px);
    opacity: 0;
  }
}

/* Gradient Border */
.gradient-border {
  position: relative;
  border-radius: 12px;
}

.gradient-border::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--primary), var(--secondary));
  border-radius: 14px;
  z-index: -1;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.gradient-border:hover::before {
  opacity: 1;
}

/* Responsive Adjustments */
@media (max-width: 375px) {
  .intro-welcome h1 {
    font-size: 1.6rem;
  }
  
  .intro-desc {
    font-size: 0.9rem;
  }
  
  .account-card {
    width: 240px;
    min-height: 360px;
    padding: 1rem;
  }
  
  .card-title {
    font-size: 1.3rem;
  }
  
  .card-price {
    font-size: 1.1rem;
    padding: 0.6rem;
  }
  
  .card-benefits li {
    font-size: 0.85rem;
  }
  
  .carousel-nav {
    bottom: -60px;
  }
  
  .registration-container {
    padding: 1.2rem 0.8rem;
  }
  
  .auth-form h2 {
    font-size: 1.4rem;
  }
  
  .form-group input {
    padding: 0.7rem 0.9rem 0.7rem 2rem;
    font-size: 0.9rem;
  }
  
  .btn-submit {
    padding: 0.9rem;
    font-size: 0.95rem;
  }
}

/* Print Styles */
@media print {
  .intro-header,
  .carousel-nav,
  .intro-footer {
    display: none;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .account-card {
    break-inside: avoid;
    box-shadow: none !important;
    border: 1px solid #ddd !important;
    color: black !important;
    background: white !important;
  }
}