/* ========================================
   REUSABLE COMPONENTS
   ======================================== */

/* ============ BUTTONS ============ */

.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-align: center;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.btn--primary {
  background-color: var(--color-text);
  color: var(--color-bg);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-text);
}

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

.btn--large {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-lg);
}

.btn--small {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn:disabled:hover {
  transform: none;
  box-shadow: none;
}


/* ============ CARDS ============ */

.card {
  background-color: var(--color-surface);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: none;
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--color-text-light);
  box-shadow: var(--shadow-sm);
}

.card__image {
  width: 100%;
  height: auto;
  display: block;
}

.card__content {
  padding: var(--space-6);
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

.card__text {
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
}

.card__text:last-child {
  margin-bottom: 0;
}


/* ============ FORMS ============ */

.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-weight: var(--font-medium);
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.form-label--required::after {
  content: '*';
  color: var(--color-error);
  margin-left: 4px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-white);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-text);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
  opacity: 0.7;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-error {
  display: block;
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

.form-input--error,
.form-textarea--error,
.form-select--error {
  border-color: var(--color-error);
}

.form-success {
  display: block;
  color: var(--color-success);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}


/* ============ BADGES ============ */

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius-full);
  background-color: var(--color-primary-light);
  color: var(--color-text);
}


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

.icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  vertical-align: middle;
}

.icon--small {
  width: 16px;
  height: 16px;
}

.icon--large {
  width: 32px;
  height: 32px;
}


/* ============ OVERLAY ============ */

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--overlay-dark);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.overlay--active {
  opacity: 1;
  visibility: visible;
}


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

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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


/* ============ TESTIMONIAL ============ */

.testimonial {
  background-color: transparent;
  padding: var(--space-5) var(--space-6);
  border-left: 2px solid var(--color-text);
  border-radius: 0;
  box-shadow: none;
  text-align: center;
}

.testimonial__stars {
  color: var(--color-text);
  font-size: var(--text-base);
  margin-bottom: var(--space-3);
}

.testimonial__quote {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-style: normal;
  font-weight: var(--font-light);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.testimonial__author {
  display: block;
  margin-top: var(--space-3);
}

.testimonial__name {
  display: block;
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.testimonial__session {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-light);
}


/* ============ GALLERY ITEM ============ */

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  cursor: pointer;
  background-color: var(--color-surface);
}

.gallery-item__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-item__image {
  transform: scale(1.02);
}

.gallery-item__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0));
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: flex-end;
  padding: var(--space-3);
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
}

.gallery-item__label {
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}


/* ============ SECTION HEADING ============ */

.section-heading {
  text-align: center;
  margin-bottom: var(--space-7);
}

.section-heading__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  letter-spacing: -0.02em;
}

.section-heading__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

@media (max-width: 768px) {
  .section-heading__title {
    font-size: var(--text-2xl);
  }

  .section-heading__subtitle {
    font-size: var(--text-base);
  }
}


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

.sticky-cta {
  position: fixed;
  bottom: 5rem;
  right: var(--space-4);
  z-index: var(--z-fixed);
  opacity: 0;
  transform: translateY(100px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.sticky-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.sticky-cta__button {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius-full);
  text-decoration: none;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all var(--transition-base);
}

.sticky-cta__button:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
  .sticky-cta {
    bottom: 4.5rem;
    right: var(--space-3);
    left: auto;
  }

  .sticky-cta__button {
    width: auto;
    justify-content: center;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }
}


/* ============ ANIMATIONS ============ */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* Fade in animation */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Slide up animation */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}