/* ==========================================================================
   VITAFUERZA - REVISTA DIGITAL DE HIDRATACIÓN Y DEPORTE (COLOMBIA)
   Estilos principales y sistema de diseño
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&display=swap');

:root {
  /* Paleta oficial de VitaFuerza */
  --color-ocean: #123D56;
  --color-ocean-dark: #0B2535;
  --color-ocean-light: #1A5477;
  --color-turquoise: #20BFC0;
  --color-turquoise-dark: #169E9F;
  --color-turquoise-light: #44CECF;
  --color-lime: #C8E86B;
  --color-lime-dark: #9BB83E;
  --color-lime-light: #E0F5A1;
  --color-white: #FFFFFF;
  --color-ice: #F1F6F7;
  --color-deep-blue: #172B3A;
  --color-pale-aqua: #DDF5F3;

  /* Colores de soporte y neutros */
  --color-muted: #536B7C;
  --color-border: #D2E2E6;
  --color-border-light: #E7EFF1;
  --color-error: #D9383A;
  --color-error-bg: #FDF2F2;
  --color-success: #1E8750;
  --color-success-bg: #EEF8F2;
  --color-warning: #D9822B;
  --color-warning-bg: #FEF8F0;

  /* Tipografía */
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-size-base: 1rem;       /* 16px */
  --line-height-base: 1.65;
  --letter-spacing-tight: -0.02em;

  /* Espaciado */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;
  --space-4xl: 6rem;

  /* Bordes y Sombras */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 6px rgba(18, 61, 86, 0.05);
  --shadow-md: 0 6px 18px rgba(18, 61, 86, 0.08);
  --shadow-lg: 0 14px 34px rgba(18, 61, 86, 0.12);
  --shadow-xl: 0 24px 50px rgba(18, 61, 86, 0.16);

  /* Transiciones */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 840px;
}

/* ==========================================================================
   Reset y accesibilidad básica
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-deep-blue);
  background-color: var(--color-white);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: var(--color-turquoise-dark);
  text-decoration: none;
  transition: color var(--transition-fast), text-decoration var(--transition-fast);
}

a:hover {
  color: var(--color-ocean);
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

/* Enfoque visible y accesible para teclado */
:focus-visible {
  outline: 3px solid var(--color-turquoise);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Enlace para saltar al contenido principal */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background-color: var(--color-ocean);
  color: var(--color-white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 700;
  text-decoration: none;
  transition: top var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.skip-link:focus {
  top: 1rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Contenedores y Tipografía Global
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-ocean);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: var(--letter-spacing-tight);
  margin-bottom: 0.75rem;
}

h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
}

h3 {
  font-size: clamp(1.25rem, 2.2vw, 1.65rem);
}

h4 {
  font-size: 1.2rem;
}

p {
  margin-bottom: 1.25rem;
}

p.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--color-muted);
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ==========================================================================
   Cabecera y Navegación
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}

.header-top-bar {
  background-color: var(--color-ocean);
  color: var(--color-white);
  font-size: 0.8rem;
  padding: 0.35rem 0;
  text-align: center;
}

.header-top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1.5rem;
}

/* Logotipo */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--color-ocean);
  font-weight: 800;
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.brand-logo:hover {
  text-decoration: none;
  color: var(--color-ocean);
}

.brand-symbol {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  align-items: baseline;
}

.brand-text span.brand-accent {
  color: var(--color-turquoise);
}

.brand-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: var(--color-pale-aqua);
  color: var(--color-ocean);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navegación de Escritorio */
.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
}

.nav-desktop-list {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link {
  display: inline-block;
  padding: 0.55rem 0.85rem;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-deep-blue);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-turquoise-dark);
  background-color: var(--color-pale-aqua);
  text-decoration: none;
}

.nav-link.active {
  color: var(--color-ocean);
  background-color: var(--color-pale-aqua);
  border-bottom: 2px solid var(--color-turquoise);
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Botón menú móvil */
.mobile-menu-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-ice);
  border: 1px solid var(--color-border);
  cursor: pointer;
  z-index: 1010;
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.hamburger-line {
  width: 22px;
  height: 2.5px;
  background-color: var(--color-ocean);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.hamburger-line:nth-child(2) {
  margin: 4px 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Cajón de navegación móvil */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--color-white);
  box-shadow: var(--shadow-xl);
  z-index: 1005;
  padding: 5.5rem 1.75rem 2.5rem;
  overflow-y: auto;
  transition: right var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 61, 86, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1002;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-deep-blue);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: var(--color-pale-aqua);
  color: var(--color-ocean);
  text-decoration: none;
}

/* ==========================================================================
   Botones y Componentes Interactivos
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.45rem;
  font-size: 0.975rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

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

.btn-primary {
  background-color: var(--color-ocean);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(18, 61, 86, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-ocean-dark);
  color: var(--color-white);
  box-shadow: 0 6px 18px rgba(18, 61, 86, 0.35);
}

.btn-secondary {
  background-color: var(--color-ice);
  color: var(--color-ocean);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-pale-aqua);
  color: var(--color-ocean-dark);
  border-color: var(--color-turquoise);
}

.btn-turquoise {
  background-color: var(--color-turquoise);
  color: var(--color-ocean-dark);
  box-shadow: 0 4px 14px rgba(32, 191, 192, 0.3);
}

.btn-turquoise:hover {
  background-color: var(--color-turquoise-light);
  color: var(--color-ocean-dark);
  box-shadow: 0 6px 20px rgba(32, 191, 192, 0.4);
}

.btn-lime {
  background-color: var(--color-lime);
  color: var(--color-ocean-dark);
  box-shadow: 0 4px 12px rgba(200, 232, 107, 0.35);
}

.btn-lime:hover {
  background-color: var(--color-lime-light);
  color: var(--color-ocean-dark);
}

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

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.95rem 1.85rem;
  font-size: 1.05rem;
}

/* ==========================================================================
   Badges, Etiquetas y Avisos Editoriales
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  font-size: 0.785rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-full);
}

.badge-turquoise {
  background-color: var(--color-pale-aqua);
  color: var(--color-ocean);
}

.badge-lime {
  background-color: var(--color-lime-light);
  color: var(--color-deep-blue);
}

.badge-ocean {
  background-color: var(--color-ocean);
  color: var(--color-white);
}

/* Aviso médico y editorial responsable */
.editorial-disclaimer {
  background-color: var(--color-ice);
  border-left: 4px solid var(--color-turquoise);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 2rem 0;
  font-size: 0.925rem;
  color: var(--color-muted);
}

.editorial-disclaimer strong {
  color: var(--color-ocean);
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.975rem;
}

.editorial-disclaimer.alert-heat {
  background-color: var(--color-warning-bg);
  border-left-color: var(--color-warning);
}

.editorial-disclaimer.alert-danger {
  background-color: var(--color-error-bg);
  border-left-color: var(--color-error);
  color: #7A1D1E;
}

.editorial-disclaimer.alert-danger strong {
  color: var(--color-error);
}

/* Migas de pan (Breadcrumbs) */
.breadcrumbs {
  padding: 1.2rem 0;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.breadcrumbs li::after {
  content: "/";
  color: var(--color-border);
}

.breadcrumbs li:last-child::after {
  content: "";
}

.breadcrumbs a {
  color: var(--color-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-turquoise-dark);
  text-decoration: underline;
}

.breadcrumbs [aria-current="page"] {
  color: var(--color-ocean);
  font-weight: 600;
}

/* ==========================================================================
   Secciones y Fondos
   ========================================================================== */

.section {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  position: relative;
}

.section-sm {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.bg-ice {
  background-color: var(--color-ice);
}

.bg-ocean {
  background-color: var(--color-ocean);
  color: var(--color-white);
}

.bg-ocean h1, .bg-ocean h2, .bg-ocean h3, .bg-ocean h4 {
  color: var(--color-white);
}

.bg-ocean p.lead {
  color: var(--color-pale-aqua);
}

.bg-pale-aqua {
  background-color: var(--color-pale-aqua);
}

/* Divisor de onda SVG elegante */
.wave-divider {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  transform: translateZ(0);
}

.wave-divider svg {
  display: block;
  width: calc(100% + 1.3px);
  height: 48px;
}

.wave-divider.inverted {
  transform: rotate(180deg);
}

/* Hero Section */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #F8FBFC 0%, var(--color-ice) 100%);
  padding: 3.5rem 0 5rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-image-wrapper {
  position: relative;
  z-index: 1;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid var(--color-white);
}

.hero-image-frame img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-image-frame:hover img {
  transform: scale(1.02);
}

.hero-floating-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--color-turquoise);
  max-width: 280px;
}

.hero-floating-badge h4 {
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
  color: var(--color-ocean);
}

.hero-floating-badge p {
  font-size: 0.82rem;
  margin-bottom: 0;
  color: var(--color-muted);
  line-height: 1.4;
}

/* ==========================================================================
   Tarjetas e Infografías
   ========================================================================== */

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .cards-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
  .cards-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .cards-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Tarjeta Editorial */
.card-editorial {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.card-image-box {
  position: relative;
  height: 220px;
  background-color: var(--color-ice);
  overflow: hidden;
}

.card-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card-editorial:hover .card-image-box img {
  transform: scale(1.05);
}

.card-category-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(18, 61, 86, 0.9);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  backdrop-filter: blur(4px);
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-body h3 {
  font-size: 1.25rem;
  margin-bottom: 0.65rem;
  color: var(--color-ocean);
  line-height: 1.35;
}

.card-body h3 a {
  color: inherit;
  text-decoration: none;
}

.card-body h3 a:hover {
  color: var(--color-turquoise-dark);
}

.card-body p {
  color: var(--color-muted);
  font-size: 0.935rem;
  line-height: 1.6;
  flex-grow: 1;
  margin-bottom: 1.25rem;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border-light);
  padding-top: 1rem;
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.card-footer a {
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Tarjeta de Pilar */
.card-pillar {
  background-color: var(--color-white);
  padding: 2.25rem 1.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-align: left;
}

.card-pillar:hover {
  border-color: var(--color-turquoise);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card-pillar-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-pale-aqua);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ocean);
  margin-bottom: 1.25rem;
}

.card-pillar h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.card-pillar p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* Tarjetas de Minerales / Electrolitos */
.mineral-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.mineral-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-turquoise);
  box-shadow: var(--shadow-md);
}

.mineral-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.mineral-symbol {
  font-size: 1.5rem;
  font-weight: 800;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-pale-aqua);
  color: var(--color-ocean);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(32, 191, 192, 0.3);
}

.mineral-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.35rem;
}

.mineral-subtitle {
  font-size: 0.85rem;
  color: var(--color-turquoise-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.mineral-features {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-light);
  font-size: 0.88rem;
  color: var(--color-deep-blue);
}

.mineral-features li {
  margin-bottom: 0.45rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.mineral-features li svg {
  color: var(--color-turquoise);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   Herramienta Interactiva: Hábitos de Hidratación
   ========================================================================== */

.interactive-tool-box {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

@media (min-width: 768px) {
  .interactive-tool-box {
    padding: 3rem;
  }
}

.tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .tool-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 700;
  color: var(--color-ocean);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.form-select,
.form-input,
.form-textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-ice);
  color: var(--color-deep-blue);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-select:focus,
.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-turquoise);
  background-color: var(--color-white);
  outline: none;
  box-shadow: 0 0 0 3px rgba(32, 191, 192, 0.2);
}

.tool-result-panel {
  background: linear-gradient(135deg, var(--color-pale-aqua) 0%, #EBF8F7 100%);
  border: 1.5px solid rgba(32, 191, 192, 0.4);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-top: 1.5rem;
}

.tool-result-panel h4 {
  color: var(--color-ocean);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tool-result-list {
  list-style: none;
  margin-bottom: 1.25rem;
}

.tool-result-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--color-deep-blue);
}

.tool-result-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-turquoise-dark);
  font-weight: 800;
}

/* ==========================================================================
   Lista interactiva: Mis hábitos después de entrenar
   ========================================================================== */

.habit-checklist {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.habit-progress-bar-container {
  background-color: var(--color-ice);
  height: 12px;
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: 1rem 0 1.5rem;
}

.habit-progress-bar {
  background: linear-gradient(90deg, var(--color-turquoise) 0%, var(--color-lime) 100%);
  height: 100%;
  width: 0%;
  transition: width var(--transition-normal);
  border-radius: var(--radius-full);
}

.habit-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  background-color: var(--color-white);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.habit-item:hover {
  background-color: var(--color-ice);
  border-color: var(--color-border);
}

.habit-item.checked {
  background-color: var(--color-pale-aqua);
  border-color: rgba(32, 191, 192, 0.5);
}

.habit-item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--color-turquoise-dark);
  cursor: pointer;
  margin-top: 2px;
  flex-shrink: 0;
}

.habit-item-content {
  flex-grow: 1;
}

.habit-item-title {
  font-weight: 700;
  color: var(--color-ocean);
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.habit-item-desc {
  font-size: 0.88rem;
  color: var(--color-muted);
  margin-bottom: 0;
}

.habit-item.checked .habit-item-title {
  text-decoration: line-through;
  color: var(--color-muted);
}

/* ==========================================================================
   Tabla comparativa de bebidas
   ========================================================================== */

.table-responsive-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  background-color: var(--color-white);
  margin: 2rem 0;
  -webkit-overflow-scrolling: touch;
}

.table-comparative {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 720px;
}

.table-comparative th,
.table-comparative td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}

.table-comparative th {
  background-color: var(--color-ocean);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

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

.table-comparative tr:nth-child(even) td {
  background-color: #FAFCFD;
}

.table-comparative tr:hover td {
  background-color: var(--color-pale-aqua);
}

/* ==========================================================================
   Acordeones (Preguntas Frecuentes)
   ========================================================================== */

.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 2rem 0;
}

.accordion-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.accordion-item:hover {
  border-color: var(--color-turquoise);
}

.accordion-trigger {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-ocean);
  background-color: var(--color-white);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.accordion-trigger:hover {
  background-color: var(--color-ice);
}

.accordion-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
  color: var(--color-turquoise-dark);
}

.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
  background-color: #FAFCFD;
}

.accordion-panel-content {
  padding: 1.25rem 1.5rem 1.5rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  border-top: 1px solid var(--color-border-light);
}

/* ==========================================================================
   Filtros y Buscador para Biblioteca de Artículos
   ========================================================================== */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 2rem;
  align-items: center;
}

.filter-btn {
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-white);
  color: var(--color-deep-blue);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-turquoise);
  background-color: var(--color-pale-aqua);
}

.filter-btn.active {
  background-color: var(--color-ocean);
  color: var(--color-white);
  border-color: var(--color-ocean);
}

.search-box-wrapper {
  position: relative;
  max-width: 480px;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 2.85rem;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-white);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--color-turquoise);
  outline: none;
  box-shadow: 0 0 0 3px rgba(32, 191, 192, 0.2);
}

.search-icon-inside {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
}

/* ==========================================================================
   Página de Oferta: Espacio limpio y producto real
   ========================================================================== */

.offer-hero {
  background: radial-gradient(circle at 70% 30%, #E8F7F7 0%, var(--color-white) 70%);
  padding: 4rem 0 5rem;
}

.product-display-frame {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border-light);
  display: flex;
  justify-content: center;
  align-items: center;
}

.product-display-frame img {
  max-height: 480px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-slow);
}

.product-display-frame:hover img {
  transform: scale(1.03);
}

.nutrition-facts-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 1.5rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.nutrition-facts-table th,
.nutrition-facts-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border-light);
}

.nutrition-facts-table th {
  background-color: var(--color-ice);
  color: var(--color-ocean);
  font-weight: 700;
}

/* ==========================================================================
   Formularios: Solicitud y Contacto
   ========================================================================== */

.form-card {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-deep-blue);
  cursor: pointer;
}

.form-checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-turquoise-dark);
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.field-error-message {
  color: var(--color-error);
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 0.35rem;
  display: none;
}

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

.has-error .field-error-message {
  display: block;
}

/* Campo trampa para bots (Honeypot) */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
}

/* ==========================================================================
   Banner y Modal de Preferencias de Cookies
   ========================================================================== */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-top: 2px solid var(--color-turquoise);
  box-shadow: 0 -8px 24px rgba(18, 61, 86, 0.15);
  z-index: 9990;
  padding: 1.25rem 0;
  transform: translateY(120%);
  transition: transform var(--transition-normal);
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .cookie-banner-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-banner-text {
  font-size: 0.9rem;
  color: var(--color-deep-blue);
  max-width: 760px;
}

.cookie-banner-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Modal de Cookies */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 61, 86, 0.6);
  backdrop-filter: blur(4px);
  z-index: 9995;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 620px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  padding: 2.25rem;
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-container {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.modal-close-btn {
  font-size: 1.5rem;
  color: var(--color-muted);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
}

.modal-close-btn:hover {
  background-color: var(--color-ice);
  color: var(--color-ocean);
}

/* ==========================================================================
   Pie de Página (Footer)
   ========================================================================== */

.site-footer {
  background-color: var(--color-ocean);
  color: var(--color-white);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-2xl);
  position: relative;
}

.site-footer a {
  color: var(--color-pale-aqua);
}

.site-footer a:hover {
  color: var(--color-lime);
  text-decoration: underline;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 28px;
  height: 3px;
  background-color: var(--color-turquoise);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  font-size: 0.925rem;
  transition: padding-left var(--transition-fast);
}

.footer-links a:hover {
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
  font-size: 0.925rem;
  color: var(--color-pale-aqua);
}

.footer-contact-item svg {
  color: var(--color-turquoise);
  flex-shrink: 0;
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: center;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-pale-aqua);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

/* ==========================================================================
   ESTRUCTURA Y DISEÑO INSPIRADO EN MAQUETA DE REFERENCIA (2-TIER HEADER & HERO)
   ========================================================================== */

/* Header de dos niveles */
.header-two-tier {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1.5rem;
  border-bottom: 1px solid var(--color-border-light);
}

.header-brand-wrap {
  display: flex;
  flex-direction: column;
}

.header-brand-subtext {
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: -2px;
}

/* Buscador central del header */
.header-search-form {
  display: none;
  flex: 1;
  max-width: 440px;
  position: relative;
}

@media (min-width: 768px) {
  .header-search-form {
    display: flex;
  }
}

.header-search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 1rem;
  border-radius: var(--radius-full) 0 0 var(--radius-full);
  border: 1.5px solid var(--color-border);
  border-right: none;
  font-size: 0.88rem;
  background-color: var(--color-ice);
  transition: all var(--transition-fast);
}

.header-search-input:focus {
  background-color: var(--color-white);
  border-color: var(--color-turquoise);
  outline: none;
}

.header-search-btn {
  background-color: var(--color-turquoise);
  color: var(--color-ocean-dark);
  border: 1.5px solid var(--color-turquoise);
  padding: 0 1.25rem;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.header-search-btn:hover {
  background-color: var(--color-turquoise-dark);
  color: var(--color-white);
}

/* Teléfono y acción rápida derecha */
.header-actions-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.header-phone-box {
  display: none;
  text-align: right;
}

@media (min-width: 900px) {
  .header-phone-box {
    display: block;
  }
}

.header-phone-number {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-ocean);
  line-height: 1.1;
  display: block;
}

.header-phone-btn {
  font-size: 0.75rem;
  color: var(--color-ocean);
  background: var(--color-lime);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
  margin-top: 3px;
  transition: all var(--transition-fast);
}

.header-phone-btn:hover {
  background-color: var(--color-lime-dark);
  color: var(--color-white);
  text-decoration: none;
}

.header-quick-cart {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--color-deep-blue);
  background: var(--color-ice);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.header-quick-cart:hover {
  border-color: var(--color-turquoise);
  background: var(--color-pale-aqua);
  text-decoration: none;
}

.header-cart-icon-wrap {
  position: relative;
  color: var(--color-ocean);
}

.header-cart-counter {
  position: absolute;
  top: -6px;
  right: -8px;
  background-color: var(--color-turquoise);
  color: var(--color-ocean-dark);
  font-size: 0.68rem;
  font-weight: 800;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Fila de navegación inferior */
.header-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
}

.catalog-dropdown-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  background-color: var(--color-ocean);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.catalog-dropdown-btn:hover {
  background-color: var(--color-ocean-dark);
  color: var(--color-white);
  text-decoration: none;
}

.nav-links-row {
  display: none;
}

@media (min-width: 992px) {
  .nav-links-row {
    display: flex;
    align-items: center;
    gap: 0.25rem;
  }
}

.nav-links-row a {
  padding: 0.5rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-deep-blue);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-links-row a:hover,
.nav-links-row a.active {
  color: var(--color-ocean);
  background-color: var(--color-pale-aqua);
}

/* ==========================================================================
   HERO BANNER DE ALTO IMPACTO (FOTO OSCURA + TÍTULO GIGANTE + BARRA DE ACCIÓN)
   ========================================================================== */

.hero-impact-section {
  position: relative;
  background: linear-gradient(180deg, rgba(18, 61, 86, 0.78) 0%, rgba(23, 43, 58, 0.9) 100%),
              url('../images/hero-hidratacion-deporte.jpg') center/cover no-repeat;
  color: var(--color-white);
  padding: 4.5rem 0 5.5rem;
  text-align: center;
  overflow: hidden;
}

.hero-impact-content {
  max-width: 940px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-impact-title {
  color: var(--color-white);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  line-height: 1.1;
  margin-bottom: 0.85rem;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.45);
}

.hero-impact-subtitle-block {
  display: block;
  font-size: clamp(1.2rem, 2.8vw, 2rem);
  font-weight: 800;
  color: var(--color-pale-aqua);
  letter-spacing: 0.02em;
  margin-top: 0.35rem;
}

.hero-impact-tagline {
  display: inline-block;
  background: rgba(32, 191, 192, 0.22);
  border: 1px solid var(--color-turquoise);
  color: var(--color-lime);
  padding: 0.45rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: clamp(0.78rem, 1.4vw, 0.95rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 1.25rem 0 1.5rem;
  backdrop-filter: blur(4px);
}

.hero-impact-badge {
  font-size: clamp(1.6rem, 3.8vw, 2.8rem);
  font-weight: 900;
  color: var(--color-lime);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.hero-impact-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  color: #FFFFFF;
  margin-bottom: 2.25rem;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

/* Barra de formulario / selector horizontal incrustada en el hero */
.hero-quick-form {
  background: rgba(255, 255, 255, 0.96);
  padding: 0.85rem;
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  max-width: 820px;
  margin: 0 auto;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-quick-form {
    grid-template-columns: 1.2fr 1.2fr 1fr;
  }
}

.hero-quick-input-wrap {
  position: relative;
  text-align: left;
}

.hero-quick-input-wrap label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-ocean);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
  margin-left: 0.5rem;
}

.hero-quick-select {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--color-deep-blue);
  background-color: var(--color-ice);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.hero-quick-select:focus {
  outline: none;
  border-color: var(--color-turquoise);
  background-color: var(--color-white);
}

.btn-impact-cta {
  background: linear-gradient(135deg, var(--color-lime) 0%, #B8DC48 100%);
  color: var(--color-ocean-dark);
  font-size: 1rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(200, 232, 107, 0.45);
  transition: all var(--transition-fast);
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.btn-impact-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(200, 232, 107, 0.6);
  background: linear-gradient(135deg, #D4F375 0%, var(--color-lime) 100%);
}

/* ==========================================================================
   BARRA DE 5 BENEFICIOS / TRUST BAR (JUSTO DEBAJO DEL HERO)
   ========================================================================== */

.usp-strip {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem 0;
  position: relative;
  z-index: 10;
}

.usp-strip-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .usp-strip-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .usp-strip-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
  }
}

.usp-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.usp-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-pale-aqua);
  color: var(--color-ocean);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.usp-item:hover .usp-icon {
  background-color: var(--color-turquoise);
  color: var(--color-white);
}

.usp-text {
  display: flex;
  flex-direction: column;
}

.usp-title {
  font-size: 0.925rem;
  font-weight: 800;
  color: var(--color-ocean);
  line-height: 1.2;
}

.usp-desc {
  font-size: 0.785rem;
  color: var(--color-muted);
  line-height: 1.3;
  margin-top: 2px;
}

/* ==========================================================================
   TRES BANNER ACTION CARDS (CON IMAGEN DE FONDO Y CAJA TRASLÚCIDA)
   ========================================================================== */

.banner-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin: 3rem 0;
}

@media (min-width: 768px) {
  .banner-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.banner-card-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: flex-end;
  text-decoration: none;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.banner-card-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  text-decoration: none;
}

.banner-card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.banner-card-item:hover .banner-card-bg {
  transform: scale(1.08);
}

.banner-card-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  padding: 1.25rem 1.25rem;
  border-top: 3px solid var(--color-turquoise);
  transition: background-color var(--transition-fast);
}

.banner-card-item:hover .banner-card-overlay {
  background: #FFFFFF;
}

.banner-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-ocean);
  margin-bottom: 0.25rem;
  line-height: 1.25;
}

.banner-card-desc {
  font-size: 0.825rem;
  color: var(--color-muted);
  line-height: 1.4;
  margin-bottom: 0.5rem;
}

.banner-card-cta-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-turquoise-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ==========================================================================
   SECCIÓN OSCURA DE ESTADÍSTICAS CON 4 CÍRCULOS (COUNTERS)
   ========================================================================== */

.stats-dark-section {
  background: radial-gradient(circle at 50% 30%, #1A5477 0%, var(--color-ocean-dark) 100%);
  color: var(--color-white);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.stats-dark-heading {
  color: var(--color-white);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.stats-dark-subheading {
  color: var(--color-pale-aqua);
  font-size: clamp(0.95rem, 1.5vw, 1.2rem);
  margin-bottom: 3.5rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.stats-circles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .stats-circles-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-circle-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-circle-ring {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.28);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(6px);
  margin-bottom: 1.25rem;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-normal);
}

.stat-circle-item:hover .stat-circle-ring {
  border-color: var(--color-lime);
  background: rgba(200, 232, 107, 0.12);
  transform: translateY(-4px) scale(1.05);
}

.stat-circle-number {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--color-lime);
  line-height: 1;
}

.stat-circle-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
  max-width: 150px;
}

/* ==========================================================================
   VÍTRINA INFERIOR DE TARJETAS / MUESTRAS (SHOWCASE STRIP)
   ========================================================================== */

.showcase-strip {
  background-color: var(--color-ice);
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
}

.showcase-strip-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (min-width: 640px) {
  .showcase-strip-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .showcase-strip-grid {
    grid-template-columns: repeat(8, 1fr);
  }
}

.showcase-mini-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.15rem 0.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  min-height: 160px;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.showcase-mini-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-turquoise);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.showcase-mini-card.highlight {
  background: linear-gradient(180deg, var(--color-pale-aqua) 0%, var(--color-white) 100%);
  border-color: var(--color-turquoise);
}

.showcase-mini-tag {
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-turquoise-dark);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.showcase-mini-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-ocean);
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.showcase-mini-desc {
  font-size: 0.72rem;
  color: var(--color-muted);
  line-height: 1.3;
}


.thankyou-box {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2.5rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  text-align: center;
  max-width: 640px;
  margin: 3rem auto;
}

.thankyou-icon {
  width: 76px;
  height: 76px;
  background-color: var(--color-pale-aqua);
  color: var(--color-turquoise-dark);
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Accesibilidad de movimiento reducido
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}