/* Components CSS */
/* Previous CSS remains unchanged until header-cta */

.header-cta {
  display: flex;
  align-items: center;
  gap: var(--spacing-m);
}

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 200px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xs);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

.user-menu.active .user-menu-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-menu-item {
  display: block;
  padding: var(--spacing-s) var(--spacing-m);
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.user-menu-item:hover {
  background-color: var(--color-gray-100);
  color: var(--color-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-s) var(--spacing-l);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  z-index: 1;
  text-align: center;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  transition: width var(--transition-medium);
  z-index: -1;
}

.btn:hover::before {
  width: 100%;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.45);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.65);
}


.btn-primary:disabled {
  background-color: var(--color-gray-500);
  cursor:not-allowed;
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(var(--color-secondary-rgb), 0.45);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.65);
}

.btn-secondary:disabled {
  background-color: var(--color-gray-500);
  cursor:not-allowed;
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.35);
}

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

.btn-large {
  padding: var(--spacing-m) var(--spacing-xl);
  font-size: 1.8rem;
}

.btn-code-submit {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-s) var(--spacing-l);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.25);
}

.btn-code-submit:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.35);
}

.btn-download {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: var(--spacing-s) var(--spacing-xl);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-m);
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.25);
}

.btn-download:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary-rgb), 0.35);
}

/* Feature Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-l);
  margin-top: var(--spacing-xl);
}

.feature-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: transform var(--transition-medium), box-shadow var(--transition-medium);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: -1;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  margin: 0 auto var(--spacing-l);
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 90, 95, 0.1);
  border-radius: var(--radius-full);
  position: relative;
  transition: background-color var(--transition-fast);
}

.feature-icon::after {
  content: '';
  position: absolute;
  top: -8px;
  left: -8px;
  right: -8px;
  bottom: -8px;
  border-radius: var(--radius-full);
  border: 2px dashed rgba(255, 90, 95, 0.2);
  animation: rotate 15s linear infinite;
}

.feature-title {
  font-size: 2.2rem;
  margin-bottom: var(--spacing-m);
}

.feature-text {
  color: var(--color-gray-700);
}

/* Tabs */
.usecase-tabs {
  margin-top: var(--spacing-xl);
}

.tabs-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-s);
  margin-bottom: var(--spacing-l);
  border-bottom: 1px solid var(--color-gray-300);
  padding-bottom: var(--spacing-s);
}

.tab-btn {
  font-weight: 500;
  padding: var(--spacing-s) var(--spacing-l);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  color: var(--color-gray-700);
  transition: all var(--transition-fast);
  position: relative;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-medium);
}

.tab-btn.active {
  color: var(--color-primary);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.tab-btn:hover:not(.active) {
  color: var(--color-gray-900);
  background-color: var(--color-gray-100);
}

.tab-panel {
  display: none;
  grid-template-columns: .8fr 1.5fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.tab-panel.active {
  display: grid;
  justify-content: center;
}

.tab-image {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-xl);
}

.usecase-img {
  height: 150px;
  transition: transform var(--transition-medium);
  max-width: 330px;
  width: 100%;
}

.usecase-img {
  transform: scale(1.1);
  object-fit: cover;
}

.tab-image:hover {
  transform: scale(1.1);
}

.tab-title {
  font-size: 2.8rem;
  margin-bottom: var(--spacing-m);
}

.tab-description {
  margin-bottom: var(--spacing-l);
  color: var(--color-gray-700);
}

/* Steps */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
}

.step-card {
  display: grid;
  /* grid-template-columns: auto 1fr 1fr; */
  grid-template-columns: auto 1fr;
  gap: var(--spacing-l);
  align-items: center;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-l);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.step-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(255, 90, 95, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: 0;
}

.step-number {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 2.4rem;
  border-radius: var(--radius-full);
  margin-right: var(--spacing-m);
}

.step-content {
  z-index: 1;
}

.step-title {
  font-size: 2.2rem;
  margin-bottom: var(--spacing-s);
}

.step-text {
  color: var(--color-gray-700);
}

.step-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.step-img {
  max-width: 100%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-medium);
}

.step-card:hover .step-img {
  transform: translateY(-5px);
}

/* FAQ Accordion */
.faq-container {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
}

.faq-item {
  margin-bottom: var(--spacing-m);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background-color: var(--color-white);
}

.faq-question {
  padding: var(--spacing-m);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--color-gray-100);
}

.faq-question h3 {
  font-size: 1.8rem;
  font-weight: 500;
  margin: 0;
}

.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  padding: 1rem;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-gray-700);
  transition: transform var(--transition-fast);
}

.faq-icon::before {
  top: 9px;
  left: 0;
  width: 100%;
  height: 2px;
}

.faq-icon::after {
  top: 0;
  left: 9px;
  width: 2px;
  height: 100%;
}

.faq-item.active .faq-icon::after {
  transform: rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-medium), padding var(--transition-medium);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 var(--spacing-m) var(--spacing-m);
}

.faq-answer p {
  margin-top: 10px;
}

.howto {
  padding: var(--spacing-xxxl) 0;
  background-color: var(--color-gray-100);
}
/* serial Section */

.serial-code-input {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.serial-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-m);
}

.serial-text {
  margin-bottom: var(--spacing-l);
  color: var(--color-gray-700);
}

.code-input-container {
  display: flex;
  justify-content: center;
  margin: 0 auto var(--spacing-m);
  max-width: 400px;
}

.code-input-container form {
  flex-grow: 1;
  display: flex;
}

.code-input {
  flex-grow: 1;
  padding: var(--spacing-m);
  border: 2px solid var(--color-gray-300);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  font-size: 1.8rem;
  letter-spacing: 2px;
  text-align: center;
  transition: border-color var(--transition-fast);
}

.code-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.serial-note {
  font-size: 1.4rem;
  color: var(--color-gray-600);
}

.result-container {
  max-width: 500px;
  margin: var(--spacing-xl) auto 0;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: none;
}

.result-container.active {
  display: block;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-m) var(--spacing-l);
  background-color: var(--color-primary);
  color: var(--color-white);
}

.result-title {
  font-size: 2rem;
  margin: 0;
}

.result-close {
  font-size: 2.4rem;
  color: var(--color-white);
  padding: 0 var(--spacing-xs);
  transition: transform var(--transition-fast);
}

.result-close:hover {
  transform: scale(1.2);
}

.result-content {
  padding: var(--spacing-xl);
  text-align: center;
}

.capsule-animation {
  margin-bottom: var(--spacing-l);
}

.capsule-large {
  width: 120px;
  height: 240px;
  margin: 0 auto;
  border-radius: var(--radius-full);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 50%, var(--color-accent) 50%);
  box-shadow: var(--shadow-lg);
  position: relative;
  animation: bounce 2s infinite;
}

.content-reveal {
  display: none;
}

.content-reveal.active {
  display: block;
}

.content-image {
  width: 100%;
  max-width: 300px;
  border-radius: var(--radius-md);
  margin: 0 auto var(--spacing-m);
  box-shadow: var(--shadow-md);
}

.content-title {
  font-size: 2.2rem;
  margin-bottom: var(--spacing-s);
}

.content-description {
  margin-bottom: var(--spacing-m);
  color: var(--color-gray-700);
}

/* CTA Section */
.cta {
  background: linear-gradient(to right, var(--color-primary-light), var(--color-primary));
  color: var(--color-white);
  padding: var(--spacing-xxxl) 0;
  text-align: center;
}

.cta .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.cta-title {
  font-size: 3.6rem;
  margin-bottom: var(--spacing-m);
}

.cta-title .accent {
  color: var(--color-white);
}

.cta-title .accent::after {
  background: var(--color-white);
  opacity: 0.3;
}

.cta-text {
  font-size: 1.8rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-m);
  justify-content: center;
}

.cta .btn-large {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.cta .btn-large:hover {
  background-color: var(--color-white);
  color: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.35);
}

.cta .btn-outline {
  border-color: var(--color-white);
  color: var(--color-white);
}

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

.cta .btn-outline::before {
  background-color: var(--color-white);
}

.capsule-container-large {
  position: relative;
  height: 400px;
}

.capsule-large-1 {
  position: absolute;
  width: 180px;
  height: 180px;
  top: 20%;
  left: 15%;
  border-radius: var(--radius-full);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 50%, var(--color-accent) 50%);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transform: rotate(-15deg);
  animation: float 6s ease-in-out infinite;
}

.capsule-large-2 {
  position: absolute;
  width: 140px;
  height: 140px;
  bottom: 10%;
  right: 30%;
  border-radius: var(--radius-full);
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9) 50%, var(--color-secondary) 50%);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transform: rotate(20deg);
  animation: float2 8s ease-in-out infinite;
}

.card-floating {
  position: absolute;
  width: 200px;
  height: 320px;
  top: 20%;
  left: 25%;
  transform: translate(-50%, -50%);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23FF5A5F" opacity="0.1"/><path d="M0,0L100,100" stroke="%23FF5A5F" stroke-width="2" opacity="0.2"/><path d="M100,0L0,100" stroke="%23FF5A5F" stroke-width="2" opacity="0.2"/></svg>');
  background-size: cover;
  animation: float 5s ease-in-out infinite;
}

.card-floating::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-sm);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
}

.card-floating::after {
  content: 'GachaCard';
  position: absolute;
  bottom: 30px;
  left: 0;
  width: 100%;
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--color-primary);
}

@media (max-width: 991px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cta .container {
    grid-template-columns: 1fr;
  }
  
  .capsule-container-large {
    margin-top: var(--spacing-xl);
  }
  
  .tab-panel.active {
    grid-template-columns: 1fr;
  }
  
  .tab-image {
    margin-bottom: var(--spacing-l);
  }
}

@media (max-width: 767px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .step-card {
    grid-template-columns: auto 1fr;
  }
  
  .step-image {
    grid-column: 1 / 3;
    grid-row: 2;
    margin-top: var(--spacing-m);
  }
  
  .cta-buttons {
    flex-direction: column;
  }

  .code-input {
    padding: var(--spacing-s);
    font-size: 1.3rem;
  }

  .btn-code-submit {
    padding: var(--spacing-s) var(--spacing-m);
    font-size: 1.3rem;
  }

  .tab-image {
    margin-bottom: 0;
    padding: 1.6rem;
  }

  .tab-image {
    max-width: 330px;
    width: 100%;
    margin: auto;
  }

  .tabs-nav {
    flex-wrap: wrap;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 5px;
  }

  .tab-btn {
    padding: 5px;
  }
}