/* ============================================================
   ALUMFER — Componentes
   ============================================================ */

/* ─── NAVBAR ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  padding-inline: var(--gutter);
  transition: background-color var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
}

/* Estado inicial: transparente sobre el hero oscuro */
.navbar--transparent {
  background-color: transparent;
  border-bottom: 1px solid transparent;
}

/* Estado scrolleado */
.navbar--scrolled {
  background-color: rgba(26, 28, 30, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
}

.navbar__inner {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.navbar__logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
  align-self: center;
}

/* La barra vertical azul como parte del logo */
.navbar__logo-rule {
  width: 3px;
  height: 28px;
  background-color: var(--blue);
  border-radius: 2px;
  flex-shrink: 0;
}

.navbar__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.navbar__logo-name {
  font-family: 'BatmanForever', sans-serif;
  font-size: var(--text-lg);
  font-weight: normal;
  letter-spacing: 0.06em;
  color: var(--text-on-dark);
}

.navbar__logo-sub {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-on-dark-2);
  margin-top: 2px;
}

/* Links de nav */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.navbar__link {
  font-size: var(--text-sm);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  color: var(--text-on-dark-2);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
  white-space: nowrap;
}

.navbar__link:hover {
  color: var(--text-on-dark);
}

/* Botón CTA en navbar */
.navbar__cta {
  flex-shrink: 0;
}

/* Hamburguesa mobile */
.navbar__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.navbar__menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--text-on-dark);
  border-radius: 1px;
  transition: transform var(--duration) var(--ease),
              opacity var(--duration) var(--ease);
}

@media (max-width: 768px) {
  .navbar__links { display: none; }
  .navbar__cta   { display: none; }
  .navbar__menu-btn { display: flex; }
}

/* ─── BOTONES ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  transition: background-color var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              color var(--duration) var(--ease),
              transform 120ms var(--ease);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.btn:active { transform: scale(0.98); }

/* Primario — azul sólido */
.btn--primary {
  background-color: var(--blue);
  border-color: var(--blue);
  color: #fff;
}

.btn--primary:hover {
  background-color: var(--blue-light);
  border-color: var(--blue-light);
  color: #fff;
}

/* Secundario — outline sobre oscuro */
.btn--outline {
  background-color: transparent;
  border-color: rgba(255,255,255,0.25);
  color: var(--text-on-dark);
}

.btn--outline:hover {
  border-color: rgba(255,255,255,0.6);
  color: var(--text-on-dark);
}

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

.btn--ghost:hover {
  background-color: var(--concrete-light);
  border-color: var(--concrete);
  color: var(--text-primary);
}

/* WhatsApp — verde oscuro consistente con la marca */
.btn--whatsapp {
  background-color: #128C7E;
  border-color: #128C7E;
  color: #fff;
  border-radius: 99px;
}

.btn--whatsapp:hover {
  background-color: #0f7a6d;
  border-color: #0f7a6d;
  color: #fff;
}

/* Tamaños */
.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--text-base);
}

/* ─── HERO ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-block: var(--space-24);
  background-color: var(--bg-dark);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg img,
.hero__bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

/* Overlay con gradiente que dirige la mirada hacia el texto */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(26,28,30,1.00)  0%,
    rgba(26,28,30,0.60) 40%,
    rgba(26,28,30,0.20) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block-start: var(--space-16);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__location {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: var(--space-5);
}

.hero__title {
  font-size: clamp(2.5rem, 7vw, var(--text-4xl));
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--text-on-dark);
  line-height: 1.05;
  margin-bottom: var(--space-6);
  text-align: center;
}

/* "ALUMFER" destacado en bold dentro del título */
.hero__title strong {
  font-weight: 600;
}

.hero__subtitle {
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--text-on-dark-2);
  max-width: 90ch;
  line-height: 1.55;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Stats dentro del hero */
.hero__stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-16);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border-dark);
  flex-wrap: wrap;
}

.hero__stat-num {
  font-size: var(--text-2xl);
  font-weight: 300;
  color: var(--text-on-dark);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

.hero__stat-num span {
  color: var(--blue-light);
}

.hero__stat-label {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-on-dark-3);
  margin-top: var(--space-2);
}

/* ─── CARDS DE PRODUCTO ───────────────────────────────────── */
/* ─── CATALOG TABS ──────────────────────────────────────────── */
.catalog-tabs {
  margin-top: var(--space-10);
}

.catalog-tabs__nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-dark);
  margin-bottom: var(--space-8);
}

.catalog-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-on-dark-2);
  cursor: pointer;
  letter-spacing: var(--tracking-wide);
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.catalog-tab:hover {
  color: var(--text-on-dark);
}

.catalog-tab.is-active {
  color: var(--text-on-dark);
  border-bottom-color: var(--blue);
}

.catalog-panel {
  display: none;
}

.catalog-panel.is-active {
  display: block;
  animation: fadeIn 200ms var(--ease);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── INFO GRID (catálogo informativo) ─────────────────────── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-6);
}

.info-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: none;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  width: 100%;
  transition: transform 350ms var(--ease), opacity 350ms var(--ease);
}

.info-card:hover {
  transform: translateY(-4px);
}

.info-card__img {
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.info-card__img--profile {
  aspect-ratio: 1/1;
  background-color: #fff;
}

.info-card__img--profile img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: none;
  padding: 1.25rem;
  transition: transform 400ms var(--ease);
}

.info-card:hover .info-card__img--profile img {
  transform: scale(1.04);
}

.info-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms var(--ease);
}

.info-card:hover .info-card__img img {
  transform: scale(1.06);
}

/* Info siempre visible debajo de la imagen */
.info-card__body {
  background: transparent;
  padding: var(--space-4) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  flex: 1;
}

.info-card__swatch {
  aspect-ratio: 1/1;
  width: 100%;
}

/* Para las terminaciones */
.info-card--finish .info-card__body {
  background: transparent;
  padding: var(--space-3) var(--space-2);
}

.info-card--finish .info-card__swatch {
  aspect-ratio: 3/1;
  border-radius: var(--radius-lg);
}

.info-card__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--blue-light);
}

.info-card__name {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-on-dark);
  letter-spacing: var(--tracking-tight);
}

.info-card__desc {
  font-size: var(--text-sm);
  color: var(--text-on-dark-2);
  line-height: 1.6;
}

.info-card__cta {
  display: inline-block;
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--blue-light);
  transition: color var(--duration) var(--ease);
}

.info-card__cta:hover {
  color: var(--text-on-dark);
}

/* ─── PRODUCT GRID ──────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}

.product-card {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}

.product-card:hover {
  border-color: rgba(74, 157, 232, 0.30);
  transform: translateY(-3px);
}

.product-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background-color: var(--steel);
}

.product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms var(--ease);
}

.product-card:hover .product-card__img img {
  transform: scale(1.04);
}

/* Variante con ícono SVG en lugar de foto (estilo Branch) */
.product-card__icon {
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--carbon);
  color: var(--concrete);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.product-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: var(--space-3);
}

.product-card__line {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--blue-light);
}

.product-card__name {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--text-on-dark);
  letter-spacing: var(--tracking-tight);
}

.product-card__desc {
  font-size: var(--text-sm);
  color: var(--text-on-dark-2);
  line-height: 1.6;
  flex: 1;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-dark);
  margin-top: var(--space-2);
}

.product-card__cta {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--blue-light);
  letter-spacing: var(--tracking-wide);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  transition: gap var(--duration) var(--ease);
}

.product-card:hover .product-card__cta {
  gap: var(--space-3);
}

/* ─── CATÁLOGO: etiqueta de grupo ──────────────────────────── */
.catalog-group-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--concrete);
  margin-top: var(--space-14);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border-dark);
}

/* ─── SPEC CARDS (vidrios) ──────────────────────────────────── */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

.spec-card {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  transition: border-color var(--duration) var(--ease);
}

.spec-card:hover {
  border-color: rgba(74, 157, 232, 0.25);
}

.spec-card__icon {
  flex-shrink: 0;
  color: var(--concrete);
  margin-top: 2px;
}

.spec-card__name {
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--text-on-dark);
  margin-bottom: var(--space-2);
}

.spec-card__desc {
  font-size: var(--text-sm);
  color: var(--text-on-dark-2);
  line-height: 1.6;
}

/* ─── FINISH CARDS (terminaciones) ─────────────────────────── */
.finish-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-4);
}

.finish-card {
  background-color: var(--bg-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.finish-card:hover {
  border-color: rgba(74, 157, 232, 0.25);
  transform: translateY(-2px);
}

.finish-card__swatch {
  height: 72px;
  width: 100%;
}

.finish-card__name {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--text-on-dark-2);
  letter-spacing: var(--tracking-wide);
  padding: var(--space-3) var(--space-4);
  text-align: center;
}

/* ─── CARD DE TRABAJO / GALERÍA ───────────────────────────── */
/* ─── WORKS TABS ────────────────────────────────────────────── */
.works-tabs__nav {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  overflow-x: auto;
  scrollbar-width: none;
}
.works-tabs__nav::-webkit-scrollbar { display: none; }

.works-tab {
  background: var(--bg-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  color: var(--text-on-dark-2);
  min-width: 90px;
  flex: 1;
  transition: color var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              background var(--duration) var(--ease);
}
.works-tab:hover {
  color: var(--text-on-dark);
  border-color: rgba(255,255,255,0.15);
}
.works-tab.is-active {
  color: var(--text-on-dark);
  border-color: var(--blue);
  background: rgba(27,108,200,0.08);
}
.works-tab.is-active .works-tab__icon {
  color: var(--blue-light);
}

.works-tab__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--duration) var(--ease);
}

.works-tab__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
}

/* ─── CAROUSEL ──────────────────────────────────────────────── */
.carousel {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--steel);
  aspect-ratio: 16/9;
  user-select: none;
}

.carousel__track {
  display: flex;
  height: 100%;
  transition: transform 400ms cubic-bezier(0.4,0,0.2,1);
}

.carousel__slide {
  position: relative;
  min-width: 100%;
  height: 100%;
  flex-shrink: 0;
}

.carousel__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background-color: var(--carbon);
  display: block;
}

.carousel__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,28,30,0.80) 0%, transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-8);
}

.carousel__label {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--text-on-dark);
  letter-spacing: var(--tracking-tight);
}

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(26,28,30,0.65);
  border: 1px solid rgba(255,255,255,0.12);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--duration) var(--ease);
  z-index: 2;
}
.carousel__btn:hover { background: rgba(27,108,200,0.75); }
.carousel__btn--prev { left: var(--space-4); }
.carousel__btn--next { right: var(--space-4); }

.carousel__dots {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 2;
}

.carousel__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: none;
  cursor: pointer;
  transition: background var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.carousel__dot.is-active {
  background: #fff;
  transform: scale(1.3);
}

/* ─── WORK GRID (legacy, kept for fallback) ─────────────────── */
.work-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

/* Layout asimétrico: primer item más grande */
.work-item:nth-child(1) { grid-column: span 7; }
.work-item:nth-child(2) { grid-column: span 5; }
.work-item:nth-child(3) { grid-column: span 4; }
.work-item:nth-child(4) { grid-column: span 4; }
.work-item:nth-child(5) { grid-column: span 4; }

@media (max-width: 900px) {
  .work-item { grid-column: span 12 !important; }
}

.work-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background-color: var(--steel);
  cursor: pointer;
}

.work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--ease);
}

.work-item:hover img {
  transform: scale(1.05);
}

.work-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,28,30,0.85) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}

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

.work-item__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-5);
  transform: translateY(8px);
  opacity: 0;
  transition: transform var(--duration) var(--ease),
              opacity var(--duration) var(--ease);
}

.work-item:hover .work-item__info {
  transform: translateY(0);
  opacity: 1;
}

.work-item__tag {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: var(--space-1);
}

.work-item__title {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-on-dark);
}

/* ─── FEATURES / PROPUESTA DE VALOR ──────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-8);
}

.feature {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Ícono de feature — minimalista, sin caja (estilo Branch) */
.feature__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--concrete);
  margin-bottom: var(--space-2);
  flex-shrink: 0;
}

.feature__title {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-on-dark);
  letter-spacing: var(--tracking-tight);
}

.feature__desc {
  font-size: var(--text-sm);
  color: var(--text-on-dark-2);
  line-height: 1.65;
}

/* ─── TESTIMONIOS ─────────────────────────────────────────── */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-5);
}

.review-card {
  background-color: var(--steel);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* Línea de identidad en la tarjeta */
.review-card {
  border-left: var(--rule-width) solid var(--blue);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding-left: var(--space-6);
}

.review-card__stars {
  color: #EF9F27;
  font-size: var(--text-sm);
  letter-spacing: 2px;
}

.review-card__text {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--text-on-dark);
  line-height: 1.6;
  flex: 1;
}

.review-card__text::before { content: '\201C'; }
.review-card__text::after  { content: '\201D'; }

.review-card__author {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-on-dark-2);
}

.review-card__location {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--text-on-dark-3);
  margin-top: var(--space-1);
}

/* ─── FORMULARIO DE CONTACTO / COTIZACIÓN ─────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  max-width: 560px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-on-dark-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: var(--text-base);
  font-family: var(--font);
  color: var(--text-on-dark);
  background-color: var(--steel-light);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  transition: border-color var(--duration) var(--ease),
              background-color var(--duration) var(--ease);
  appearance: none;
  -webkit-appearance: none;
}

.form-select option {
  background-color: var(--steel);
  color: var(--text-on-dark);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-on-dark-3);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: rgba(255,255,255,0.15);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--blue);
  background-color: rgba(27, 108, 200, 0.06);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

@media (max-width: 560px) {
  .form-row { grid-template-columns: 1fr; }
}

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer {
  background-color: var(--carbon);
  border-top: 1px solid var(--border-dark);
  padding-block: var(--space-16) var(--space-8);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .footer__inner {
    grid-template-columns: 1fr;
  }
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__tagline {
  font-size: var(--text-sm);
  color: var(--text-on-dark-2);
  line-height: 1.6;
  max-width: 28ch;
}

.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-on-dark-3);
  margin-bottom: var(--space-4);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--text-on-dark-2);
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

.footer__link:hover {
  color: var(--text-on-dark);
}

.footer__bottom {
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--text-on-dark-3);
  letter-spacing: var(--tracking-wide);
}

/* ─── WhatsApp botón flotante ─────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 200;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  transition: transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
  text-decoration: none;
  color: #fff;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.45);
  color: #fff;
}

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

/* ─── Badge de etiqueta ───────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-sm);
}

.badge--blue {
  background-color: rgba(27, 108, 200, 0.15);
  color: var(--blue-light);
  border: 1px solid rgba(27, 108, 200, 0.25);
}

.badge--concrete {
  background-color: var(--concrete-light);
  color: var(--text-secondary);
  border: 1px solid var(--concrete);
}

/* ─── Divider ─────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border-dark);
  margin-block: var(--space-8);
}

.divider--light {
  border-color: var(--border-light);
}