/* ===========================
   LESS SALT — Global Styles
   =========================== */

/* --- Variables --- */
:root {
  --color-primary: #3c9fd2;
  --color-primary-dark: #2578a6;
  --color-cyan: #32f6ff;
  --color-green: #89bf3c;
  --color-green-light: #b2d680;
  --color-whatsapp: #25d366;
  --color-dark: #16303d;
  --color-warning: #e8a33d;

  --color-white: #ffffff;
  --color-bg: #ffffff;
  --color-bg-light: #f2f6f7;
  --color-text: #16303d;
  --color-muted: #4a5c63;
  --color-border: #c7d1d4;
  --color-placeholder: #e0eaef;
  --color-primary-tint: #e4f3fa;
  --color-card-bg: #3280ab;
  --color-footer: #0f2530;

  --font-heading: "Manrope", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 24px;

  --max-width: 1350px;
  --content-width: 800px;
}

/* --- Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5; /* Body/Base: 24/16 */
  -webkit-font-smoothing: antialiased;
  margin: 0;
}

img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  margin: 0;
}

/* --- Containers --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.container--narrow {
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

/* --- Sections --- */
.section {
  padding-block: var(--space-lg);
}
.section--light {
  background: var(--color-bg-light);
}
.section--dark {
  background: var(--color-dark);
  color: var(--color-white);
}

/* --- Typography --- */
/* Values match Figma token spec exactly */
.heading-xl {
  font-size: 3rem; /* 48px — Display/H1 */
  font-weight: 800;
  line-height: 1.167; /* 56/48 */
  letter-spacing: 0;
}

.heading-lg {
  font-size: 2.25rem; /* 36px — Heading/H2 */
  font-weight: 700;
  line-height: 1.222; /* 44/36 */
  letter-spacing: 0;
}

.heading-md {
  font-size: 1.0625rem; /* 17px — section card title */
  font-weight: 600;
  line-height: 1.3;
}

.heading-sm {
  font-size: 1rem; /* 16px */
  font-weight: 700;
  line-height: 1.3;
}

.text-lead {
  font-size: 1.125rem; /* 18px — Body/Large */
  font-weight: 500;
  line-height: 1.556; /* 28/18 */
  color: var(--color-muted);
}

.text-center {
  text-align: center;
}
.text-muted {
  color: var(--color-muted);
}
.text-white {
  color: var(--color-white);
}

.label {
  font-size: 0.8125rem; /* 13px — Label/Eyebrow */
  font-weight: 600;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem; /* 15px — Button/Label */
  cursor: pointer;
  border: none;
  transition:
    opacity 0.2s,
    transform 0.1s;
  white-space: nowrap;
  line-height: 1;
}

.btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn--dark {
  background: var(--color-dark);
  color: var(--color-white);
}
.btn--outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.btn--outline-white {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

.btn--whatsapp {
  background: var(--color-green);
  color: var(--color-white);
  font-size: 1rem;
  padding: 0.5rem 1.5rem;
}

.btn--green {
  background: var(--color-green);
  color: var(--color-white);
  border-radius: 999px;
}

.btn--green:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn--lg {
  padding: 1.1rem 2.4rem;
  font-size: 1.1rem;
}

/* --- Placeholder boxes --- */
.placeholder {
  background: var(--color-placeholder);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  padding: 1.5rem;
  font-family: var(--font-body);
}

/* --- Grid utilities --- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

/* --- Flex utilities --- */
.flex {
  display: flex;
}
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.flex-col {
  flex-direction: column;
}
.gap-sm {
  gap: var(--space-sm);
}
.gap-md {
  gap: var(--space-md);
}

/* --- Spacing utilities --- */
.mt-sm {
  margin-top: var(--space-sm);
}
.mt-md {
  margin-top: var(--space-md);
}
.mt-lg {
  margin-top: var(--space-lg);
}
.mb-sm {
  margin-bottom: var(--space-sm);
}
.mb-md {
  margin-bottom: var(--space-md);
}

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

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding-block: 0;
  height: 56px;
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.site-header.header--hidden {
  transform: translateY(-100%);
}

/* Hamburger button (mobile only) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition:
    transform 0.2s,
    opacity 0.2s;
}

/* Mobile nav drawer */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(22, 48, 61, 0.45);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  height: 100%;
  width: min(320px, 85vw);
  background: var(--color-white);
  z-index: 201;
  padding: 1.5rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: -4px 0 24px rgba(22, 48, 61, 0.18);
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav-close {
  align-self: flex-end;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: 4px;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}

.mobile-nav-link {
  display: block;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
  transition: color 0.15s;
}

.mobile-nav-link:hover {
  color: var(--color-primary);
}

.mobile-nav-cta {
  margin-top: 1.75rem;
  width: 100%;
  justify-content: center;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.header-logo img {
  height: 40px;
  width: auto;
}
.header-logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.header-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color 0.15s;
}

.header-nav a:hover {
  color: var(--color-primary);
}

/* --- Hero --- */
.hero {
  position: relative;
  background: var(--color-primary) url("../images/hero-pattern.svg") center
    center / cover no-repeat;
  /* Exactly fills viewport minus header + marquee so all three snap to 100vh */
  height: calc(100vh - 56px - 72px);
  display: flex;
  align-items: stretch;
  overflow: hidden;
  color: var(--color-white);
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(60, 159, 210, 0.55);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.5rem;
  padding-block: 2rem;
  width: 100%;
  height: 100%;
}

.hero .heading-xl {
  color: var(--color-white);
  max-width: 860px;
}

.hero .text-lead {
  color: rgba(242, 246, 247, 0.9);
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.hero-tel {
  font-size: 0.82rem;
  color: rgba(242, 246, 247, 0.8);
  margin: 0px !important;
}
.hero-tel a {
  font-weight: 600;
  color: rgba(242, 246, 247, 0.9);
}

.hero-media {
  width: 100%;
  max-width: 900px;
  border-radius: 16px;
  overflow: hidden;
  margin-top: 0.5rem;
  flex: 1;
  min-height: 0;
}
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media .placeholder {
  height: 100%;
  min-height: 120px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
  border-radius: 0;
}

/* --- Franja garantía (marquee) --- */
@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.franja-garantia {
  background: var(--color-primary-dark);
  color: var(--color-white);
  height: 72px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.franja-marquee-track {
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  height: 72px;
}

.franja-marquee-inner {
  display: flex;
  align-items: center;
  width: max-content;
  animation: marquee-scroll 28s linear infinite;
}

.franja-marquee-inner:hover {
  animation-play-state: paused;
}

.franja-sep {
  width: 1px;
  background: rgba(255, 255, 255, 0.18);
  height: 40px;
  flex-shrink: 0;
}

.franja-item {
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.franja-item-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cyan);
  font-size: 1.2rem;
}

.franja-item-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.franja-item strong {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-white);
}

.franja-item strong.cyan {
  color: var(--color-cyan);
}

.franja-item--cyan .franja-item-icon {
  color: var(--color-cyan);
}
.franja-item--cyan strong {
  color: var(--color-cyan);
}
.franja-item--cyan span {
  color: rgba(50, 246, 255, 0.7);
  opacity: 1;
}

.franja-item span {
  font-size: 0.75rem;
  opacity: 0.6;
  line-height: 1.3;
}

/* --- Problema --- */
.problema-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto 1fr auto;
  gap: 1rem 2rem;
  margin-top: var(--space-lg);
}

.problema-card {
  display: grid;
  grid-row: span 3;
  grid-template-rows: subgrid;
  gap: 0;
  row-gap: 1rem;
}

.problema-icon-wrap {
  width: 80px;
  height: 80px;
  border: 1px solid rgba(60, 159, 210, 0.2);
  border-radius: 100px;
  overflow: hidden;
  flex-shrink: 0;
}

.problema-icon-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.problema-desc {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
}

.problema-foto {
  border-radius: 10px;
  overflow: hidden;
  height: 155px;
}

.problema-foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Pagination hidden on desktop */
.problema-pagination {
  display: none;
}

/* legacy — kept for fallback */
.problema-icon {
  width: 44px;
  height: 44px;
  background: rgba(60, 159, 210, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* --- Cómo funciona --- */
.como-funciona-header {
  max-width: 760px;
}

/* 2 fotos lado a lado */
.como-funciona-comparativa {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.como-funciona-foto {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.como-funciona-img {
  display: block;
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: 0;
}

.como-funciona-label {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  padding: 0.6rem 0;
  line-height: 1.2;
}

/* Diagrama ancho */
.como-funciona-diagrama .placeholder {
  height: 200px;
  border-radius: var(--radius-md);
}

.aviso-imitaciones {
  background: var(--color-green-light);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: var(--space-md);
  width: 100%;
}

.aviso-imitaciones p {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-white);
  text-align: center;
  line-height: 1.4;
}

/* --- Configurador --- */
.configurador {
  margin-bottom: var(--space-md);
}

.configurador-pregunta {
  margin-bottom: 0.875rem;
}

.configurador-sep {
  height: 1px;
  background: rgba(199, 209, 212, 0.45);
  margin-bottom: 0.875rem;
}

.configurador-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 0.625rem;
  color: var(--color-text);
}

.filtro-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.filtro-btn {
  padding: 0.625rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-light);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--color-muted);
  transition: all 0.15s;
}

.filtro-btn:hover,
.filtro-btn.active {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: var(--color-white);
}

.configurador-hint {
  background: var(--color-primary-tint);
  border-radius: 8px;
  padding: 0.625rem 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.875rem;
  font-size: 0.75rem;
  color: var(--color-primary-dark);
}

.configurador-hint-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
}

.configurador-hint p {
  flex: 1;
  margin: 0;
  line-height: 1.4;
}

/* --- Product slider --- */
.productos-slider-wrapper {
  position: relative;
  width: 100%;
  margin-top: 5rem;
}

.productos-slider-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.productos-slider-arrow {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition:
    background 0.15s,
    color 0.15s,
    border-color 0.15s;
  line-height: 1;
  pointer-events: none;
  opacity: 0.35;
}

.productos-slider-arrow.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  pointer-events: auto;
  opacity: 1;
}

.productos-slider-arrow:hover.active {
  opacity: 0.9;
}

.productos-slider-track-wrapper {
  flex: 1;
  overflow: hidden;
}

.productos-grid {
  display: flex;
  gap: 1.5rem;
  transition: transform 0.35s ease;
}

.producto-card {
  flex: 0 0 calc((100% - 2 * 1.5rem) / 3);
}

.productos-slider-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.2s;
}

.slider-dot.active {
  width: 10px;
  height: 10px;
  background: var(--color-primary);
}

/* --- Product cards --- */
.producto-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

.producto-card--featured {
  border: 2px solid var(--color-primary);
}

.producto-card:not(.producto-card--featured):hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(60, 159, 210, 0.15);
}

.producto-card.hidden {
  display: none;
}

.producto-badge-strip {
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  padding: 0.5625rem 0;
  width: 100%;
}

.producto-badge-spacer {
  height: 33px;
  flex-shrink: 0;
}

.producto-badge-strip--muted {
  background: var(--color-border);
  color: var(--color-muted);
}

.producto-card-media {
  border: 1px solid var(--color-border);
  border-left: none;
  border-right: none;
  background: #fff;
}

.producto-card-media .placeholder {
  aspect-ratio: 384/216;
  border-radius: 0;
  font-size: 0.7rem;
}

.producto-card-img {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  padding: 1rem;
}

.producto-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 1rem 1rem 0.75rem;
}

.producto-card-header-left {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.producto-card-header-right {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: flex-end;
}

.producto-nombre {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}
.producto-subtipo {
  font-size: 0.75rem;
  color: var(--color-muted);
}
.producto-precio {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
}
.producto-precio-note {
  font-size: 0.6875rem;
  color: var(--color-muted);
}

.producto-card-divider {
  height: 1px;
  background: rgba(199, 209, 212, 0.5);
  margin: 0;
}

.producto-specs {
  display: flex;
  flex-direction: column;
  padding: 0 1rem;
}

.spec-row {
  display: flex;
  gap: 0.75rem;
  padding: 0.6875rem 0;
  border-bottom: 1px solid rgba(199, 209, 212, 0.35);
  align-items: flex-start;
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-label {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary);
  width: 100px;
  flex-shrink: 0;
  min-height: 2.5rem;
  display: flex;
  align-items: flex-start;
}

.spec-val {
  font-size: 0.8125rem;
  color: var(--color-text);
  min-height: 2.5rem;
  display: flex;
  align-items: flex-start;
  flex: 1;
}

.producto-card-footer {
  padding: 1rem 1rem 1.25rem;
  border-top: 1px solid rgba(199, 209, 212, 0.5);
  margin-top: auto;
}

.banner-diagnostico {
  background: rgba(60, 159, 210, 0.08);
  border-radius: var(--radius-md);
  padding: 1.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.banner-diagnostico p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
  max-width: none;
}

.banner-diagnostico .btn--outline {
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  white-space: nowrap;
}

/* --- Beneficios --- */
.section--beneficios {
  position: relative;
  background: var(--color-primary) url("../images/hero-pattern.svg") center
    center / cover no-repeat;
  overflow: hidden;
  padding-block: 5rem;
}

.section--beneficios::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(14, 42, 58, 0.55);
}

.beneficios-ovals {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.section--beneficios .container {
  position: relative;
  z-index: 1;
}

.section--beneficios .heading-lg {
  color: var(--color-white);
  text-align: center;
}

.beneficios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.beneficio-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 2rem 1.5rem;
  background: rgba(50, 128, 171, 0.45);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-radius: 14px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.beneficio-num {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-cyan);
  line-height: 1;
}

.beneficio-desc {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
  max-width: 120px;
}

/* --- Certificaciones --- */
.certs-logos {
  display: flex;
  align-items: center;
  justify-content: center;
}
.certs-logos .v-mobile {
  display: none;
  width: 100%;
  max-width: 60rem;
}
.certs-logos .v-desktop {
  display: block;
  width: 100%;
  max-width: 80rem;
}

.patente-text {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-top: var(--space-md);
}

.patente-text strong {
  color: var(--color-text);
}

/* --- Testimonios --- */
.testimonios-grid {
  columns: 3;
  column-gap: var(--space-md);
  margin-top: var(--space-lg);
}

.testimonio-card {
  break-inside: avoid;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.testimonio-media .placeholder {
  aspect-ratio: 1;
}
.testimonio-body {
  padding: 1rem;
}

.testimonio-cita {
  font-size: 0.9rem;
  color: var(--color-muted);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.testimonio-autor {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text);
}

/* --- Instalación --- */
.instalacion-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: var(--space-lg);
}

.instalacion-item {
  background: var(--color-white);
  border: 1px solid #e5ebed;
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.instalacion-titulo {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  line-height: 1.3;
}

.instalacion-diagrama {
  border: 1px dashed #d9dee3 !important;
  border-radius: 0 !important;
  background: var(--color-bg-light) !important;
  height: 200px;
  flex: 1;
}

.instalacion-pagination {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.instalacion-dots {
  display: flex;
  gap: 6px;
}

.instalacion-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-border);
  transition:
    background 0.2s,
    transform 0.2s;
}

.instalacion-dot.active {
  background: var(--color-primary);
  transform: scale(1.3);
}

.instalacion-counter {
  font-size: 0.8125rem;
  color: var(--color-muted);
  font-weight: 500;
}

.instalacion-pagination-current {
  font-weight: 700;
  color: var(--color-primary);
}

.instalacion-caption {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.55;
  margin: 0;
}

.aviso-cisterna {
  background: rgba(232, 163, 61, 0.1);
  border: 1px solid rgba(232, 163, 61, 0.4);
  border-radius: 16px;
  padding: 1.75rem 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-top: var(--space-lg);
}

.aviso-cisterna-x {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-warning);
  flex-shrink: 0;
  line-height: 1;
}

.aviso-cisterna-img {
  flex-shrink: 0;
  width: 150px;
  height: 90px;
  border: 1px dashed #d9dee3 !important;
  border-radius: 0 !important;
  background: rgba(232, 163, 61, 0.06) !important;
  font-size: 0.7rem;
}

.aviso-cisterna-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.aviso-cisterna-title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-warning);
  margin: 0;
  line-height: 1.3;
}

.aviso-cisterna-desc {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin: 0;
  line-height: 1.5;
}

.aviso-cisterna-btn {
  flex-shrink: 0;
  white-space: nowrap;
  font-size: 0.9375rem;
  border-color: var(--color-warning);
  color: var(--color-warning);
  border-radius: 20px;
}

/* --- FAQ --- */
.faq-list {
  margin-top: var(--space-lg);
  max-width: 760px;
  margin-inline: auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: left;
  gap: var(--space-sm);
  transition: color 0.15s;
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  transition:
    transform 0.25s,
    background 0.2s,
    border-color 0.2s;
  line-height: 1;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.faq-answer {
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.3s ease,
    padding-bottom 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding-bottom: 1.25rem;
}

.faq-microcta {
  text-align: center;
  margin-top: var(--space-lg);
  font-size: 0.95rem;
  color: var(--color-muted);
}

.faq-microcta a {
  color: var(--color-primary);
  font-weight: 600;
}

/* --- CTA Final --- */
.cta-final {
  background: var(--color-dark);
  color: var(--color-white);
  padding-block: var(--space-lg);
  text-align: center;
}

.cta-final .heading-lg {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}
.cta-final-sub {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--space-md);
}

.cta-garantia {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
  margin-top: var(--space-sm);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.65);
  padding-block: var(--space-lg);
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: var(--space-lg);
  align-items: start;
}

.footer-logo img {
  height: 40px;
  width: auto;
  margin-bottom: 0.75rem;
}
.footer-logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-white);
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  line-height: 1.6;
  max-width: 280px;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-links a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

/* --- WhatsApp float (mobile) --- */
.wa-float {
  display: none;
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 200;
  background: var(--color-green);
  color: var(--color-white);
  border-radius: 50px;
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  font-size: 0.9rem;
  gap: 0.4rem;
  align-items: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: transform 0.15s;
}

.wa-float:hover {
  transform: scale(1.04);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .problema-grid,
  .beneficios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .instalacion-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .franja-garantia {
    height: 72px;
  }
  .franja-item {
    padding: 0 1.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 3rem;
    --space-xl: 4rem;
  }

  .producto-card--featured {
    order: -1;
  }

  .container,
  .container--narrow {
    padding-inline: var(--space-sm);
  }

  /* Responsive typography */
  .heading-xl {
    font-size: clamp(1.625rem, 6vw, 3rem);
  }
  .heading-lg {
    font-size: clamp(1.375rem, 5vw, 2.25rem);
  }
  .text-lead {
    font-size: clamp(0.9375rem, 3.5vw, 1.125rem);
  }

  .header-nav,
  .header-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero {
    height: auto;
    min-height: calc(100svh - 56px - 72px);
    padding-block: 2.5rem;
  }

  .como-funciona-comparativa,
  .beneficios-grid {
    grid-template-columns: 1fr;
  }

  /* Instalación: horizontal snap carousel en mobile */
  .instalacion-grid {
    display: flex;
    overflow-x: scroll;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    gap: 1.25rem;
    padding-inline: var(--space-sm);
    scroll-padding-left: var(--space-sm);
    margin-inline: calc(-1 * var(--space-sm));
  }

  .instalacion-grid::-webkit-scrollbar {
    display: none;
  }

  .instalacion-item {
    flex: 0 0 calc(100% - 2 * var(--space-sm));
    scroll-snap-align: start;
  }

  .instalacion-pagination {
    display: flex;
  }

  /* Aviso cisterna: columna en mobile */
  .aviso-cisterna {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.25rem;
  }

  .aviso-cisterna-x {
    font-size: 1.5rem;
  }

  .aviso-cisterna-img {
    width: 110px;
    height: 70px;
  }

  .aviso-cisterna-body {
    flex-basis: 100%;
  }

  .aviso-cisterna-btn {
    flex-basis: 100%;
    justify-content: center;
    white-space: normal;
    text-align: center;
  }

  /* Problema: horizontal snap carousel */
  .problema-grid {
    display: flex;
    flex-direction: row;
    overflow-x: scroll;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 1.25rem;
    margin-top: var(--space-md);
    padding-inline: var(--space-sm);
    scroll-padding-left: var(--space-sm);
    margin-inline: calc(-1 * var(--space-sm));
  }

  .problema-grid::-webkit-scrollbar {
    display: none;
  }

  .problema-card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 0 0 calc(100% - 2 * var(--space-sm));
    scroll-snap-align: start;
  }

  .problema-pagination {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
  }

  .problema-dots {
    display: flex;
    gap: 6px;
    align-items: center;
  }

  .problema-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-border);
    transition:
      background 0.2s,
      transform 0.2s;
    display: block;
  }

  .problema-dot.active {
    background: var(--color-primary);
    transform: scale(1.3);
  }

  .problema-counter {
    font-size: 0.8125rem;
    color: var(--color-muted);
    font-weight: 500;
  }

  .problema-pagination-current {
    font-weight: 700;
    color: var(--color-primary);
  }

  /* Products: mobile 1-card slider */
  .productos-slider-row {
    gap: 0;
  }
  .productos-slider-arrow {
    display: none;
  }
  .productos-slider-track-wrapper {
    overflow: hidden;
  }
  .producto-card {
    flex: 0 0 100%;
  }
  .productos-slider-pagination {
    display: flex;
  }

  .franja-garantia {
    height: 72px;
  }
  .franja-marquee-inner {
    animation-duration: 20s;
  }

  .testimonios-grid {
    columns: 1;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .cert-logo .placeholder {
    width: 90px;
    height: 48px;
  }

  .wa-float {
    display: inline-flex;
  }

  .certs-logos .v-mobile {
    display: block;
    max-width: 20rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
  }
  .certs-logos .v-desktop {
    display: none;
  }
  .btn--lg {
    padding: 1rem 1.5rem;
    font-size: 0.9rem;
  }
}