/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition:
    background var(--transition-base),
    box-shadow var(--transition-base),
    backdrop-filter var(--transition-base);
}

.header--scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-header);
}

.header--scrolled .header__nav-link {
  color: var(--color-text-primary);
}

.header--scrolled .header__logo-text {
  color: var(--color-secondary);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.header__logo {
  height: 40px;
  width: auto;
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-text-inverse);
  transition: color var(--transition-base);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.header__nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition-base);
  position: relative;
}

.header__nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

.header__nav-link:hover::after,
.header__nav-link.is-active::after {
  width: 100%;
}

.header__nav-link:hover,
.header__nav-link.is-active {
  color: var(--color-primary);
}

.header--scrolled .header__nav-link:hover,
.header--scrolled .header__nav-link.is-active {
  color: var(--color-accent);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.header__menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-inverse);
  transition:
    transform var(--transition-base),
    opacity var(--transition-base),
    background var(--transition-base);
}

.header--scrolled .header__menu-toggle span {
  background: var(--color-secondary);
}

.header__menu-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: 0 4px 14px rgba(249, 212, 35, 0.4);
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 20px rgba(249, 212, 35, 0.5);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-on-secondary);
  box-shadow: 0 4px 14px rgba(242, 139, 28, 0.35);
}

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

.btn--outline {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-text-inverse);
}

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

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

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn--hidden {
  display: none !important;
}

/* Cards */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-secondary);
}

.card__text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Stats */
.stat {
  text-align: center;
  padding: 1.5rem;
}

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat__label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.section--dark .stat__label {
  color: rgba(255, 255, 255, 0.7);
}

/* Badge strip */
.badge-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.badge-strip__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-soft);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.badge-strip__icon {
  font-size: 1.1rem;
}

/* Carousel */
.carousel {
  position: relative;
  overflow: hidden;
}

.carousel__track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel__slide {
  flex: 0 0 100%;
  padding: 0 0.5rem;
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.carousel__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-secondary);
  transition:
    background var(--transition-base),
    border-color var(--transition-base),
    color var(--transition-base);
}

.carousel__btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}

.carousel__dots {
  display: flex;
  gap: 0.5rem;
}

.carousel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--color-border);
  cursor: pointer;
  padding: 0;
  transition:
    background var(--transition-base),
    transform var(--transition-base);
}

.carousel__dot.is-active {
  background: var(--color-accent);
  transform: scale(1.2);
}

/* Testimonial */
.testimonial {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem;
}

.testimonial__quote {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-style: italic;
  line-height: 1.5;
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
}

.testimonial__author {
  font-weight: 600;
  color: var(--color-accent);
  font-size: 0.95rem;
}

.testimonial__role {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

/* Gallery */
.gallery-carousel .carousel__slide {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.gallery-carousel__image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-strong);
  max-height: 480px;
  width: auto;
  object-fit: contain;
}

.gallery-carousel__caption {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  text-align: center;
}

.gallery-thumbs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.5rem 0;
  margin-top: 1rem;
  scrollbar-width: thin;
}

.gallery-thumbs__item {
  flex: 0 0 80px;
  height: 50px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.5;
  border: 2px solid transparent;
  transition:
    opacity var(--transition-base),
    border-color var(--transition-base);
}

.gallery-thumbs__item.is-active {
  opacity: 1;
  border-color: var(--color-accent);
}

.gallery-thumbs__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Form */
.contact-form {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-medium);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-secondary);
}

.form-input,
.form-textarea {
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-divider);
  border-radius: var(--radius-sm);
  background: var(--color-background);
  transition: border-color var(--transition-base);
}

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

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

.form-status {
  margin-top: 1rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.form-status--success {
  color: #10b981;
}

.form-status--error {
  color: #ef4444;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.whatsapp-float--hidden {
  display: none;
}

/* Comparison table */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
  font-size: 0.9rem;
}

.compare-table th {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  font-weight: 600;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table td:first-child {
  font-weight: 600;
  color: var(--color-secondary);
  background: var(--color-surface-alt);
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-height);
  background: rgba(26, 26, 46, 0.97);
  backdrop-filter: blur(8px);
  z-index: 999;
  padding: 2rem;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav__link {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text-inverse);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
}

@media (max-width: 900px) {
  .header__nav-list,
  .header__actions {
    display: none;
  }

  .header__menu-toggle {
    display: flex;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .compare-table {
    display: block;
    overflow-x: auto;
  }
}

@media (max-width: 600px) {
  .btn--lg {
    padding: 0.875rem 1.5rem;
    font-size: 0.9rem;
  }
}