/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 100px; /* Pill-shape */
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  border: none;
  outline: none;
  transition: transform var(--transition-fast), 
              box-shadow var(--transition-fast), 
              background-color var(--transition-fast);
  transform-origin: center center;
}

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

.btn-primary:hover {
  transform: scale(0.98);
  box-shadow: 0 4px 12px rgba(13, 13, 13, 0.15);
}

.btn-primary:active {
  transform: scale(0.95);
}

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

.btn-outline:hover {
  transform: scale(0.98);
  box-shadow: 0 4px 12px rgba(13, 13, 13, 0.1);
  background-color: rgba(13, 13, 13, 0.05);
}

.btn-outline:active {
  transform: scale(0.95);
}

.btn-link {
  background-color: transparent;
  color: var(--color-text-gray);
  padding: 8px 16px;
}

.btn-link:hover {
  color: var(--color-dark);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background-color: var(--color-white);
  border-radius: 24px;
  padding: 32px;
  transition: transform var(--transition-base), 
              box-shadow var(--transition-base);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
}

/* Dark Card */
.card-dark {
  background-color: var(--color-dark);
  color: var(--color-white);
  border: none;
}

.card-dark h3 {
  color: var(--color-white);
}

.card-dark p {
  color: rgba(255, 255, 255, 0.7);
}

/* Icons container */
.icon-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(245, 166, 35, 0.1); /* Primary Orange with opacity */
  color: var(--color-primary);
  margin-bottom: 24px;
  font-size: 24px;
}

/* ============================================
   Feedback Modal — Emil Kowalski Motion Principles
   - Animate only transform + opacity (GPU-accelerated)
   - Scale from 0.95, never 0 (avoids "popping")
   - ease-out default: fast start, gentle landing
   - Duration ≤ 250ms for perceived snappiness
   ============================================ */

/* Backdrop overlay - premium dark overlay with deep blur & scroll-safe containment */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  background-color: rgba(13, 13, 13, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow-y: auto; /* Scroll-safe: scroll backdrop if modal height exceeds screen height */

  /* Hidden via opacity+visibility — no display toggle to allow transitions */
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 280ms cubic-bezier(0.16, 1, 0.3, 1),
    visibility 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

/* Modal container - high-end glassmorphic borders, deep shadows & adaptive size transition */
.modal-container {
  position: relative;
  background: var(--color-white);
  border-radius: 24px;
  padding: 48px;
  width: 100%;
  max-width: 560px;
  margin: auto; /* Flex centering fallback for scroll-safe overflow positioning */
  border: 1px solid rgba(13, 13, 13, 0.05);
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.01),
    0 24px 48px -8px rgba(0, 0, 0, 0.06),
    0 1px 1px 0 rgba(255, 255, 255, 0.8) inset;
  transform: scale(0.96) translateY(12px);
  opacity: 0;
  transition:
    transform 320ms cubic-bezier(0.34, 1.56, 0.64, 1), /* Spring ease */
    opacity 250ms cubic-bezier(0.16, 1, 0.3, 1),
    max-width 350ms cubic-bezier(0.16, 1, 0.3, 1),
    padding 350ms cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: center center;
}

.modal-backdrop.is-open .modal-container {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* Success state specific overrides - dynamic sizing */
.modal-backdrop.is-success .modal-header {
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  margin: 0;
  height: 0;
  overflow: hidden;
}

.modal-backdrop.is-success .modal-container {
  max-width: 420px;
  padding: 40px 32px;
}

/* Close button — minimalist with spring rotate & primary color highlight */
.modal-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: transparent;
  color: var(--color-dark);
  border: 1px solid rgba(13, 13, 13, 0.08);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 
    transform 300ms var(--ease-spring), 
    border-color 200ms ease, 
    color 200ms ease, 
    background-color 200ms ease,
    box-shadow 200ms ease;
  transform-origin: center center;
  z-index: 10;
}

.modal-close:hover {
  background-color: rgba(13, 13, 13, 0.02);
  color: var(--color-primary);
  border-color: rgba(245, 166, 35, 0.3);
  transform: rotate(90deg) scale(1.06);
  box-shadow: 0 4px 12px rgba(245, 166, 35, 0.08);
}

.modal-close:active {
  transform: rotate(90deg) scale(0.96);
}

/* Modal header */
.modal-header { 
  margin-bottom: 32px;
  transition: opacity 250ms ease, transform 250ms ease;
}

.modal-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.modal-subtitle {
  font-size: 15px;
  color: var(--color-text-gray);
  line-height: 1.6;
  margin: 0;
}

/* Form */
.modal-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: opacity 250ms ease, transform 250ms ease;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-dark);
  letter-spacing: 0.01em;
  opacity: 0.8;
}

/* Unified form input styles */
.form-input {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-dark);
  background-color: rgba(13, 13, 13, 0.02);
  border: 1px solid rgba(13, 13, 13, 0.08);
  border-radius: 12px;
  outline: none;
  box-sizing: border-box;
  transition:
    border-color 200ms ease,
    box-shadow 200ms ease,
    background-color 200ms ease,
    transform 200ms ease;
}

.form-input::placeholder { 
  color: rgba(13, 13, 13, 0.35); 
  transition: opacity 150ms ease;
}

.form-input:focus::placeholder {
  opacity: 0.6;
}

.form-input:focus {
  border-color: var(--color-primary);
  background-color: var(--color-white);
  box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.12);
}

.form-input.is-error {
  border-color: #E53E3E;
  background-color: #FFF5F5;
  box-shadow: 0 0 0 4px rgba(229, 62, 62, 0.1);
}

.form-textarea {
  resize: none;
  min-height: 120px;
}

/* Submit Button — Premium Tactile with sliding Arrow */
.modal-submit-btn {
  width: 100%;
  padding: 15px 24px;
  margin-top: 4px;
  font-size: 16px;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  background-color: var(--color-dark);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  transition: 
    background-color 200ms ease, 
    transform 200ms var(--ease-spring), 
    box-shadow 200ms ease;
}

.modal-submit-btn .submit-content {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: transform 200ms ease;
}

.modal-submit-btn .submit-arrow {
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 200ms ease, transform 200ms var(--ease-spring);
}

.modal-submit-btn:hover {
  background-color: #1a1a1a;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(13, 13, 13, 0.15);
}

.modal-submit-btn:hover .submit-content {
  transform: translateX(-6px);
}

.modal-submit-btn:hover .submit-arrow {
  opacity: 1;
  transform: translateX(4px);
}

.modal-submit-btn:active {
  transform: translateY(0);
}

.modal-submit-btn .submit-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: white;
  border-radius: 50%;
  animation: modal-spinner 0.65s linear infinite;
  position: absolute;
  top: calc(50% - 9px);
  left: calc(50% - 9px);
}

.modal-submit-btn.is-loading .submit-content { opacity: 0; }
.modal-submit-btn.is-loading .submit-spinner { display: block; }

@keyframes modal-spinner {
  to { transform: rotate(360deg); }
}

/* Staggered form elements cascade entry */
.modal-backdrop .modal-title,
.modal-backdrop .modal-subtitle,
.modal-backdrop .form-group,
.modal-backdrop .modal-submit-btn {
  opacity: 0;
  transform: translateY(16px);
  transition: 
    opacity 400ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.is-open .modal-title {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 50ms;
}

.modal-backdrop.is-open .modal-subtitle {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 90ms;
}

.modal-backdrop.is-open .form-group:nth-child(1) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 130ms;
}

.modal-backdrop.is-open .form-group:nth-child(2) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 170ms;
}

.modal-backdrop.is-open .form-group:nth-child(3) {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 210ms;
}

.modal-backdrop.is-open .modal-submit-btn {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 250ms;
}

/* Success state animations */
.modal-success[hidden],
.modal-form[hidden] {
  display: none !important;
}

.modal-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 8px 0;
  gap: 0;
  animation: modal-success-reveal 400ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes modal-success-reveal {
  from { opacity: 0; transform: scale(0.94) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Premium translucent circular glowing badge */
.success-icon-badge {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(39, 201, 63, 0.06);
  border: 1px solid rgba(39, 201, 63, 0.15);
  box-shadow: 0 8px 24px rgba(39, 201, 63, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transform: scale(0.5);
  opacity: 0;
  animation: success-bounce-circle 500ms cubic-bezier(0.175, 0.885, 0.32, 1.275) 150ms forwards;
}

@keyframes success-bounce-circle {
  from { transform: scale(0.5); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.success-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0 0 10px 0;
  letter-spacing: -0.02em;
  opacity: 0;
  transform: translateY(8px);
  animation: success-text-fade 400ms cubic-bezier(0.16, 1, 0.3, 1) 250ms forwards;
}

.success-body {
  font-size: 15px;
  color: var(--color-text-gray);
  margin: 0 0 28px 0;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(8px);
  animation: success-text-fade 400ms cubic-bezier(0.16, 1, 0.3, 1) 350ms forwards;
}

/* Premium Full-width action button */
.modal-success-close-btn {
  width: 100%;
  padding: 13px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  background-color: var(--color-dark);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  animation: success-text-fade 400ms cubic-bezier(0.16, 1, 0.3, 1) 450ms forwards;
  transition: 
    background-color 200ms ease, 
    transform 200ms var(--ease-spring), 
    box-shadow 200ms ease;
}

.modal-success-close-btn:hover {
  background-color: #1a1a1a;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(13, 13, 13, 0.15);
}

.modal-success-close-btn:active {
  transform: translateY(0);
}

@keyframes success-text-fade {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Prevent body scroll when modal is open */
body.modal-open { overflow: hidden; }

/* Responsive adaptivity */
@media (max-width: 600px) {
  .modal-container {
    padding: 36px 20px;
    border-radius: 20px;
  }
  .modal-title { font-size: 24px; }
  
  .modal-close {
    top: 16px;
    right: 16px;
  }
  
  .modal-backdrop.is-success .modal-container {
    padding: 36px 20px;
  }
  
  .success-title {
    font-size: 22px;
  }
}