/* ==========================================================================
   Components — CSI Dry Eye
   ========================================================================== */

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75em 1.75em;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

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

/* Primary — gold */
.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
}

/* Secondary — navy */
.btn--secondary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* Outline — primary */
.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* Outline — white */
.btn--outline-white {
  background-color: transparent;
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

/* Ghost */
.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
}

.btn--ghost:hover {
  background-color: var(--color-bg-light);
}

/* Sizes */
.btn--lg {
  padding: 1em 2.25em;
  font-size: var(--fs-base);
}

.btn--sm {
  padding: 0.5em 1.25em;
  font-size: var(--fs-xs);
}

.btn--full {
  width: 100%;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base),
              box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.card--flat {
  box-shadow: none;
  border: 1px solid var(--color-border-light);
}

.card--flat:hover {
  box-shadow: none;
  border-color: var(--color-border);
}

.card--dark {
  background-color: var(--color-bg-navy);
  color: var(--color-text-inverse);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-light);
  margin-bottom: var(--space-md);
}

.card--dark .card__icon {
  background-color: rgba(255, 255, 255, 0.1);
}

.icon-card {
  text-align: center;
}

.icon-card .card__icon {
  width: 64px;
  height: 64px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
}

/* ==========================================================================
   Testimonials
   ========================================================================== */

.testimonial {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
}

.testimonial__quote {
  position: relative;
  font-style: italic;
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
  padding-top: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.testimonial__quote::before {
  content: "\201C";
  position: absolute;
  top: -8px;
  left: 0;
  font-size: 3rem;
  font-style: normal;
  font-family: Georgia, serif;
  line-height: 1;
  color: var(--color-accent);
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.testimonial__name {
  font-weight: var(--fw-semibold);
  color: var(--color-primary-dark);
  font-size: var(--fs-sm);
}

.testimonial__role {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
}

/* ==========================================================================
   Stats
   ========================================================================== */

.stat__number {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  line-height: var(--lh-tight);
}

.stat__label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-top: var(--space-2xs);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group,
.form__group {
  margin-bottom: var(--space-xl);
}

.form-label,
.form__label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea,
.form__input,
.form__textarea {
  display: block;
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 92, 137, 0.2);
}

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

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

.form-select,
select.form__input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%235A6B7C' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  padding-right: var(--space-2xl);
}

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

.form-input--error:focus,
.form-field--error:focus,
.form-field--error .form-input:focus,
.form-field--error .form-select:focus,
.form-field--error .form-textarea:focus,
.form-field--error .form__input:focus,
.form-field--error .form__textarea:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.2);
}

.form-error {
  display: block;
  color: var(--color-error);
  font-size: var(--fs-xs);
  margin-top: var(--space-xs);
  font-weight: var(--fw-medium);
}

.form-message {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  font-weight: var(--fw-medium);
  animation: fadeIn 0.3s ease;
}

.form-message--success {
  background-color: rgba(46, 125, 50, 0.1);
  color: var(--color-status-green);
  border: 1px solid var(--color-status-green);
}

.form-message--error {
  background-color: rgba(220, 53, 69, 0.1);
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

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

/* Honeypot */
.form-hp {
  display: none !important;
}

/* ==========================================================================
   Reveal Animations
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal-stagger > :nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > :nth-child(2) { transition-delay: 100ms; }
.reveal-stagger > :nth-child(3) { transition-delay: 200ms; }
.reveal-stagger > :nth-child(4) { transition-delay: 300ms; }
.reveal-stagger > :nth-child(5) { transition-delay: 400ms; }
.reveal-stagger > :nth-child(6) { transition-delay: 500ms; }
.reveal-stagger > :nth-child(7) { transition-delay: 600ms; }
.reveal-stagger > :nth-child(8) { transition-delay: 700ms; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .reveal-stagger > * {
    transition-delay: 0ms !important;
  }
}

/* ==========================================================================
   Carousel
   ========================================================================== */

.testimonial-carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel__slide {
  min-width: 100%;
  flex-shrink: 0;
  padding-inline: var(--space-md);
}

@media (min-width: 768px) {
  .carousel__slide {
    min-width: 50%;
  }
}

@media (min-width: 1024px) {
  .carousel__slide {
    min-width: 33.333%;
  }
}

/* Override for single-slide carousels */
.testimonial-carousel[data-slides-per-view="1"] .carousel__slide {
  min-width: 100%;
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.carousel__prev,
.carousel__next {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  transition: background-color var(--transition-fast),
              color var(--transition-fast),
              border-color var(--transition-fast);
}

.carousel__prev:hover,
.carousel__next:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.carousel__prev svg,
.carousel__next svg {
  width: 18px;
  height: 18px;
}

.carousel__dots {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-border);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast),
              width var(--transition-base);
}

.carousel__dot--active {
  background-color: var(--color-primary);
  width: 24px;
}