.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

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

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

.btn--white:hover {
  background-color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

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

.btn--outline:hover {
  background-color: var(--color-white-warm);
  color: var(--color-primary);
}

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

.btn--ghost:hover {
  background-color: var(--color-primary);
  color: var(--color-white-warm);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: var(--fs-xs);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
  padding: var(--space-lg);
}

.badge__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.badge__icon svg {
  width: 36px;
  height: 36px;
}

.badge__label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  letter-spacing: 0.01em;
}

.card {
  background: var(--color-white-warm);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--color-primary);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background-color: var(--color-sand);
}

.product-demo {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  cursor: pointer;
  overflow: hidden;
  perspective: 800px;
  background: #D5CCC3;
}

.product-demo__view {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.product-demo--roller .product-demo__view {
  background-image: url("/images/view-patio.jpg");
}

.product-demo--double-french .product-demo__view {
  background-image: url("/images/view-neighborhood.jpg");
}

.product-demo--sliding .product-demo__view {
  background-image: url("/images/view-garden.jpg");
}

.product-demo--single-french .product-demo__view {
  background-image: url("/images/view-livingroom.jpg");
}

.product-demo__frame {
  position: absolute;
  inset: 0;
  display: flex;
}

.product-demo__frame--window {
  padding: 16px;
  gap: 3px;
  border: 6px solid #C8BFB5;
  background: #D5CCC3;
}

.product-demo__frame--door {
  padding: 6px 12px 6px;
  gap: 3px;
  border: 6px solid #C8BFB5;
  border-bottom-width: 10px;
  background: #D5CCC3;
}

.product-demo__sash {
  position: relative;
  flex: 1;
  border: 2px solid #B8AFA5;
  border-radius: 2px;
  overflow: hidden;
  background: #D5CCC3;
}

.product-demo__glass {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(180, 210, 235, 0.5) 0%, rgba(200, 225, 245, 0.25) 50%, rgba(180, 210, 235, 0.4) 100%);
}

.product-demo__muntin {
  position: absolute;
  background: #C0B7AD;
  z-index: 1;
}

.product-demo__muntin--v {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
}

.product-demo__muntin--h {
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  transform: translateY(-50%);
}

.product-demo__muntin--h-thirds {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: #C0B7AD;
  z-index: 1;
  top: 33%;
  box-shadow: 0 calc(33.33cqw) 0 #C0B7AD;
}

.product-demo__handle {
  position: absolute;
  top: 50%;
  width: 6px;
  height: 24px;
  background: #8A7F73;
  border-radius: 2px;
  z-index: 2;
  transform: translateY(-50%);
}

.product-demo__handle--right { right: 6px; }
.product-demo__handle--left { left: 6px; }

.product-demo__cta {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  pointer-events: none;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.product-demo.is-open .product-demo__cta {
  opacity: 0;
  transform: scale(0.8);
}

.product-demo__cta-ripple {
  position: absolute;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid rgba(0, 46, 98, 0.35);
  animation: cta-ripple 2.4s cubic-bezier(0, 0.5, 0.3, 1) infinite;
}

.product-demo__cta-circle {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(0, 46, 98, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 46, 98, 0.3);
  animation: cta-breathe 2.4s ease-in-out infinite;
  transition: transform 0.25s ease, background 0.25s ease;
}

.product-demo:hover .product-demo__cta-circle {
  background: rgba(196, 103, 58, 0.85);
  transform: scale(1.1);
  animation: none;
}

.product-demo__cta-icon {
  width: 22px;
  height: 22px;
  color: var(--color-white-warm);
}

.product-demo__cta-label {
  margin-top: 10px;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: var(--fw-semibold);
  color: var(--color-white-warm);
  background: rgba(0, 46, 98, 0.7);
  backdrop-filter: blur(6px);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}

@keyframes cta-ripple {
  0% {
    transform: scale(0.7);
    opacity: 0.8;
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

@keyframes cta-breathe {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}

.product-demo__sash--roller-left,
.product-demo__sash--roller-right {
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-demo--roller.is-open .product-demo__sash--roller-left {
  transform: translateX(-85%);
}

.product-demo--roller.is-open .product-demo__sash--roller-right {
  transform: translateX(85%);
}

.product-demo__sash--french-left,
.product-demo__sash--french-right {
  transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
}

.product-demo__sash--french-left {
  transform-origin: left center;
}

.product-demo__sash--french-right {
  transform-origin: right center;
}

.product-demo--double-french.is-open .product-demo__sash--french-left {
  transform: rotateY(-70deg);
}

.product-demo--double-french.is-open .product-demo__sash--french-right {
  transform: rotateY(70deg);
}

.product-demo__sash--slide-fixed {
  z-index: 1;
}

.product-demo__sash--slide-moving {
  z-index: 2;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.15);
}

.product-demo--sliding.is-open .product-demo__sash--slide-moving {
  transform: translateX(92%);
}

.product-demo__frame--single-door {
  padding: 0;
  border: none;
  background: transparent;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.product-demo__wall {
  background: #E8E0D8;
  z-index: 3;
  position: relative;
}

.product-demo__wall::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 30px,
    rgba(0, 0, 0, 0.02) 30px,
    rgba(0, 0, 0, 0.02) 31px
  );
}

.product-demo__wall--left {
  flex: 1;
  border-right: 4px solid #C8BFB5;
}

.product-demo__wall--right {
  flex: 1;
  border-left: 4px solid #C8BFB5;
}

.product-demo__door {
  position: relative;
  width: 40%;
  min-width: 40%;
  height: 100%;
  background: #D5CCC3;
  border: 5px solid #C8BFB5;
  border-top: 3px solid #C8BFB5;
  border-radius: 2px;
  transform-origin: left center;
  transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
  z-index: 2;
}

.product-demo__door-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: repeat(4, 1fr);
  gap: 4px;
  padding: 6px;
  height: 100%;
  box-sizing: border-box;
}

.product-demo__pane {
  position: relative;
  border: 2px solid #B8AFA5;
  border-radius: 1px;
  overflow: hidden;
  background: #D5CCC3;
}

.product-demo__pane .product-demo__glass {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(180, 210, 235, 0.5) 0%, rgba(200, 225, 245, 0.25) 50%, rgba(180, 210, 235, 0.4) 100%);
}

.product-demo__doorknob {
  position: absolute;
  right: 8px;
  top: 55%;
  width: 8px;
  height: 8px;
  background: #8A7F73;
  border-radius: 50%;
  z-index: 3;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.product-demo--single-french.is-open .product-demo__door {
  transform: rotateY(-75deg);
  background: transparent;
}

.product-demo--single-french.is-open .product-demo__door .product-demo__pane {
  background: transparent;
}

.product-demo.is-open .product-demo__frame {
  background: transparent;
}

.product-demo.is-open .product-demo__sash {
  background: transparent;
}

.card__body {
  padding: var(--space-xl);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--color-text-light);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.card__cta {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  transition: gap var(--transition-base), color var(--transition-base);
}

.card__cta:hover {
  color: var(--color-primary-light);
  gap: var(--space-sm);
}

.card__cta svg {
  width: 16px;
  height: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-primary);
}

.form-group label .required {
  color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--color-stone);
  border-radius: var(--radius-md);
  background-color: var(--color-white-warm);
  font-size: var(--fs-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

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

.form-group__error {
  font-size: var(--fs-xs);
  color: var(--color-error);
  display: none;
}

.form-group--error .form-group__error {
  display: block;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  pointer-events: none;
  tab-index: -1;
}

.whatsapp-float {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 56px;
  height: 56px;
  background-color: var(--color-whatsapp);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 900;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: wa-pulse 5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-xl);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}

@keyframes wa-pulse {
  0%, 85%, 100% { box-shadow: var(--shadow-lg); }
  90% { box-shadow: 0 0 0 8px rgba(37, 211, 102, 0.25), var(--shadow-lg); }
  95% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0), var(--shadow-lg); }
}

.mobile-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  z-index: 950;
  padding: var(--space-xs) var(--space-sm);
  padding-bottom: calc(var(--space-xs) + env(safe-area-inset-bottom));
}

.mobile-bar__inner {
  display: grid;
  grid-template-columns: 1fr 1fr auto 1fr 1fr;
  align-items: end;
}

.mobile-bar__btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-xs) var(--space-sm);
  color: rgba(254, 252, 250, 0.65);
  font-size: 0.65rem;
  font-weight: var(--fw-medium);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-bar__btn:hover,
.mobile-bar__btn:active {
  color: var(--color-white-warm);
}

.mobile-bar__btn svg {
  width: 22px;
  height: 22px;
}

.mobile-bar__wa {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: var(--color-whatsapp);
  color: #fff;
  margin-top: -20px;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  transition: transform var(--transition-fast);
}

.mobile-bar__wa:active {
  transform: scale(0.93);
}

.mobile-bar__wa svg {
  width: 26px;
  height: 26px;
}

.mobile-bar__menu-toggle .mobile-bar__icon-close {
  display: none;
}

.mobile-bar__menu-toggle.is-active .mobile-bar__icon-menu {
  display: none;
}

.mobile-bar__menu-toggle.is-active .mobile-bar__icon-close {
  display: block;
}

.mobile-bar__menu-toggle.is-active {
  color: var(--color-accent);
}


.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 940;
  background: rgba(0, 46, 98, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 300ms ease;
  pointer-events: none;
}

.mobile-menu-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-panel {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 945;
  background: var(--color-white-warm);
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  padding: var(--space-lg) var(--space-xl);
  padding-bottom: calc(90px + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.15);
}

.mobile-menu-panel.is-open {
  transform: translateY(0);
}

.mobile-menu-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-sand);
}

.mobile-menu-panel__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-menu-panel__isotipo {
  height: 40px;
  width: auto;
}

.mobile-menu-panel__logo-text {
  height: 26px;
  width: auto;
}

.mobile-menu-panel__close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  background: var(--color-sand);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.mobile-menu-panel__close:hover {
  background: var(--color-stone);
  color: var(--color-white-warm);
}

.mobile-menu-panel__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.mobile-menu-panel__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-sm);
  border-radius: var(--radius-lg);
  background: var(--color-sand);
  color: var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.mobile-menu-panel__item:active {
  transform: scale(0.95);
}

.mobile-menu-panel__item:hover {
  background: var(--color-primary);
  color: var(--color-white-warm);
}

.mobile-menu-panel__item svg {
  width: 26px;
  height: 26px;
}

.mobile-menu-panel__item span {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  text-align: center;
  line-height: 1.2;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-slow);
}

.lightbox.is-active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox__close {
  position: absolute;
  top: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--fs-2xl);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.15);
}