/**
 * ============================================
 * UI COMPONENTS
 * ============================================
 * Reusable component styles
 * All values reference config.css variables
 */

/* ==================== SOCIAL ICONS ==================== */

.social-icon {
  width: var(--social-icon-size);
  height: var(--social-icon-size);
  transition: 
    transform var(--duration-fast) var(--ease-bounce),
    opacity var(--duration-fast) var(--ease-out);
  cursor: pointer;
  display: block;
}

.social-icon:hover {
  transform: scale(1.2) rotate(5deg);
}

.social-icon:active {
  transform: scale(1.1) rotate(3deg);
}


/* ==================== THEME TOGGLE SWITCH ==================== */

.toggle-switch {
  position: relative;
  width: var(--toggle-width);
  height: var(--toggle-height);
  border-radius: calc(var(--toggle-height) / 2);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-width-thin) solid transparent;
}

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

.toggle-switch:active {
  transform: scale(0.98);
}

.toggle-slider {
  position: absolute;
  top: calc((var(--toggle-height) - var(--toggle-slider-size)) / 2);
  left: calc((var(--toggle-height) - var(--toggle-slider-size)) / 2);
  width: var(--toggle-slider-size);
  height: var(--toggle-slider-size);
  background-color: white;
  border-radius: var(--border-radius-circle);
  transition: transform var(--duration-fast) var(--ease-bounce);
  box-shadow: var(--shadow-sm-dark);
}


/* ==================== VALUE PROPS CARDS ==================== */

.value-item {
  padding: var(--space-card-padding) var(--space-card-padding);
  border-radius: var(--border-radius-md);
  transition: all var(--duration-normal) var(--ease-bounce);
  text-align: center;
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
  border: var(--border-width-normal) solid;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 140px;
}

/* Gradient overlay on hover */
.value-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg, 
    transparent 0%, 
    rgba(255, 255, 255, 0.05) 100%
  );
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
  pointer-events: none;
}

.value-item:hover::before {
  opacity: 1;
}

.value-item:hover {
  transform: translateY(-10px);
}

.value-item:active {
  transform: translateY(-5px);
}

.value-icon {
  font-size: var(--value-props-icon-size);
  margin-bottom: var(--value-props-icon-margin);
  display: inline-block;
  animation: bounce 2s var(--ease-in-out) infinite;
  line-height: 1;
}

.value-item:hover .value-icon {
  animation: bounce 0.6s var(--ease-in-out) infinite;
}

.value-text {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  line-height: var(--line-height-relaxed);
}


/* ==================== EMAIL INPUT ==================== */

.email-input {
  flex: 1;
  min-width: var(--input-min-width);
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-body);
  border: var(--border-width-normal) solid transparent;
  border-radius: var(--border-radius-full);
  outline: none;
  transition: all var(--duration-fast) var(--ease-out);
  backdrop-filter: blur(var(--blur-sm));
  -webkit-backdrop-filter: blur(var(--blur-sm));
}

.email-input::placeholder {
  opacity: 0.5;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.email-input:hover::placeholder {
  opacity: 0.7;
}

.email-input:focus {
  transform: translateY(-2px);
}

.email-input:focus::placeholder {
  opacity: 0.3;
}

/* Invalid state */
.email-input:invalid:not(:placeholder-shown) {
  border-color: var(--color-error);
}

/* Valid state */
.email-input:valid:not(:placeholder-shown) {
  border-color: var(--color-success);
}


/* ==================== CTA BUTTON ==================== */

.cta-button {
  padding: var(--space-button-padding-y) var(--space-button-padding-x);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-bounce);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: var(--border-radius-circle);
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width var(--duration-normal) var(--ease-out),
              height var(--duration-normal) var(--ease-out);
}

.cta-button:hover::before {
  width: 300px;
  height: 300px;
}

.cta-button:hover {
  transform: translateY(-3px) scale(1.02);
}

.cta-button:active {
  transform: translateY(-1px) scale(0.98);
}

/* Disabled state */
.cta-button:disabled {
  opacity: var(--opacity-disabled);
  cursor: not-allowed;
  transform: none;
}

.cta-button:disabled:hover {
  transform: none;
}

/* Button text needs higher z-index than ::before */
.cta-button span {
  position: relative;
  z-index: 1;
}


/* ==================== LOADING SPINNER ==================== */

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: var(--border-radius-circle);
  animation: spin 0.8s linear infinite;
}

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

/* Button loading state */
.cta-button.loading {
  pointer-events: none;
  position: relative;
}

.cta-button.loading .button-text {
  opacity: 0;
}

.cta-button.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: var(--border-radius-circle);
  animation: spin 0.8s linear infinite;
}


/* ==================== FORM STATES ==================== */

.form-success,
.form-error {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  animation: slideUp var(--duration-fast) var(--ease-out);
}

.form-success {
  background-color: rgba(16, 185, 129, 0.1);
  border: var(--border-width-thin) solid var(--color-success);
  color: var(--color-success);
}

.form-error {
  background-color: rgba(239, 68, 68, 0.1);
  border: var(--border-width-thin) solid var(--color-error);
  color: var(--color-error);
}


/* ==================== RESPONSIVE: MOBILE ==================== */

@media (max-width: 768px) {
  .value-item {
    min-height: 120px;
    padding: var(--space-md) var(--space-lg);
  }
  
  .value-icon {
    font-size: 2.5rem;
  }
  
  .value-text {
    font-size: var(--font-size-body-sm);
  }
}