/* ==========================================================================
   NATURALSLIM ECUADOR S.A.S. - MODELO 4 (SIMPLE COMERCIAL DIRECTO)
   Enfoque: Carga instantánea, alta conversión, verde salud, CERO emojis.
   ========================================================================== */

:root {
  --color-primary: #0d5336;       /* Verde bosque profundo corporativo */
  --color-primary-dark: #083724;  /* Verde ultra oscuro para contraste */
  --color-primary-light: #16a34a; /* Verde esmeralda vivo para acentos */
  --color-accent: #22c55e;        /* Verde claro activo */
  --color-accent-subtle: #ecfdf5; /* Fondo verde muy tenue */
  --color-accent-gold: #d97706;   /* Ámbar de distinción */
  --color-gold-bg: #fffbeb;

  --color-text-main: #0f172a;     /* Slate 900 */
  --color-text-muted: #475569;    /* Slate 600 */
  --color-text-light: #64748b;    /* Slate 500 */
  --color-bg-body: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-card: #ffffff;
  --color-border: #e2e8f0;
  --color-border-focus: #16a34a;

  --color-wa: #25d366;
  --color-wa-dark: #128c7e;

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   UTILIDADES & CONTENEDORES
   ========================================================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

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

/* ==========================================================================
   BANNER SUPERIOR OBLIGATORIO SIMCODEC (demo-bar)
   ========================================================================== */

.demo-bar {
  background-color: #0b1322;
  color: #f1f5f9;
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 100;
}

.demo-bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 1300px;
  margin: 0 auto;
  padding: 8px 20px;
}

.demo-bar-text {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  line-height: 1.4;
}

.demo-bar-icon {
  width: 16px;
  height: 16px;
  color: #38bdf8;
  flex-shrink: 0;
}

.demo-bar-link {
  color: #38bdf8;
  text-decoration: underline;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.demo-bar-link:hover {
  color: #7dd3fc;
}

.demo-bar-link svg {
  width: 12px;
  height: 12px;
}

.demo-bar-models {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.models-label {
  color: #94a3b8;
  font-size: 0.75rem;
  margin-right: 2px;
}

.model-pill {
  color: #cbd5e1;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  text-decoration: none;
  font-size: 0.75rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.model-pill:hover {
  background-color: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.model-pill.active {
  background-color: var(--color-primary-light);
  color: #ffffff;
  font-weight: 600;
}

/* ==========================================================================
   HEADER PRINCIPAL
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 90;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 10px;
}

.brand-logo {
  height: 36px;
  width: auto;
  display: block;
}

.brand-fallback {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
  display: none;
}

.brand-sub {
  font-size: 0.65rem;
  display: block;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--color-primary-light);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  color: var(--color-text-main);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-primary-light);
  transition: width var(--transition-normal);
}

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

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--color-text-main);
  cursor: pointer;
}

.menu-toggle svg {
  width: 22px;
  height: 22px;
  display: block;
}

/* ==========================================================================
   BOTONES
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
}

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

.btn-lg {
  padding: 14px 26px;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(13, 83, 54, 0.22);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(13, 83, 54, 0.3);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-accent-subtle);
  border-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-whatsapp-header {
  background-color: #128c7e;
  color: #ffffff;
  font-size: 0.875rem;
  padding: 9px 16px;
  border-radius: var(--radius-full);
}

.btn-whatsapp-header:hover {
  background-color: #075e54;
}

.btn-whatsapp-lg {
  background-color: #25d366;
  color: #0f172a;
  font-weight: 700;
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp-lg:hover {
  background-color: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(37, 211, 102, 0.35);
}

.btn-outline-white {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
  padding: 16px 28px;
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
  padding: 60px 0 70px;
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.badge-trust {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-accent-subtle);
  color: var(--color-primary);
  border: 1px solid rgba(22, 163, 74, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.badge-trust svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary-light);
}

.hero-title {
  font-size: 2.75rem;
  line-height: 1.18;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: -0.8px;
  margin-bottom: 20px;
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.hero-bullets {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.975rem;
  color: var(--color-text-main);
}

.bullet-icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-social-proof {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.proof-stat {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.proof-divider {
  width: 1px;
  height: 36px;
  background-color: var(--color-border);
}

/* Card Destacado en Hero */
.featured-kit-card {
  background-color: #ffffff;
  border: 2px solid rgba(22, 163, 74, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  position: relative;
  transition: transform var(--transition-normal);
}

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

.kit-card-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background-color: var(--color-primary-light);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  z-index: 2;
}

.kit-card-image-wrap {
  background: radial-gradient(circle, #f0fdf4 0%, #ffffff 80%);
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
}

.kit-img {
  max-width: 100%;
  max-height: 250px;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.featured-kit-card:hover .kit-img {
  transform: scale(1.03);
}

.kit-card-body {
  padding: 24px;
}

.kit-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.kit-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 18px;
}

.kit-card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.kit-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-main);
}

.kit-card-features svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.delivery-notice {
  display: block;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 8px;
}

/* ==========================================================================
   SECCIONES COMUNES
   ========================================================================== */

.section {
  padding: 80px 0;
}

.section-kicker {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-primary-light);
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--color-text-main);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 48px;
}

/* ==========================================================================
   4 RAZONES
   ========================================================================== */

.section-reasons {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.reason-card {
  background-color: #ffffff;
  padding: 30px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-normal);
}

.reason-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.reason-number {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 1.75rem;
  font-weight: 800;
  color: #e2e8f0;
  line-height: 1;
}

.reason-icon-wrap {
  width: 48px;
  height: 48px;
  background-color: var(--color-accent-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.reason-icon-wrap svg {
  width: 24px;
  height: 24px;
}

.reason-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 10px;
  line-height: 1.3;
}

.reason-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   CATÁLOGO COMERCIAL
   ========================================================================== */

.section-catalog {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.catalog-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--color-accent-subtle);
  color: var(--color-primary);
  border-color: rgba(22, 163, 74, 0.4);
}

.filter-btn.active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 10px rgba(13, 83, 54, 0.2);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-lg);
}

.product-card.hidden {
  display: none !important;
}

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background-color: #ffffff;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  z-index: 2;
}

.product-badge.badge-featured {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.product-badge.badge-education {
  background-color: var(--color-gold-bg);
  color: var(--color-accent-gold);
  border-color: rgba(217, 119, 6, 0.3);
}

.product-image-container {
  background: radial-gradient(circle, #f8fafc 0%, #ffffff 80%);
  padding: 24px;
  height: 230px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--color-border);
}

.product-image {
  max-width: 100%;
  max-height: 190px;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.product-card:hover .product-image {
  transform: scale(1.05);
}

.product-image-container.book-format .product-image {
  max-height: 180px;
}

.product-content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-category-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary-light);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.product-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.product-specs {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px dashed var(--color-border);
  margin-bottom: 20px;
}

.product-specs li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.product-specs svg {
  width: 14px;
  height: 14px;
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 3px;
}

.product-footer {
  margin-top: auto;
}

/* ==========================================================================
   CALCULADORA DE AGUA (FÓRMULA FRANK SUÁREZ)
   ========================================================================== */

.section-calculator {
  background-color: var(--color-accent-subtle);
  border-bottom: 1px solid rgba(22, 163, 74, 0.2);
}

.calculator-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(22, 163, 74, 0.3);
  box-shadow: var(--shadow-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 48px;
}

.calculator-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.water-formula-box {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.formula-line {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.formula-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.formula-line code {
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
}

.water-tips {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background-color: #f0fdf4;
  border: 1px solid rgba(22, 163, 74, 0.25);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.84375rem;
  color: var(--color-text-muted);
}

.water-tips svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.calculator-tool {
  background-color: var(--color-bg-alt);
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.calc-unit-switcher {
  margin-bottom: 24px;
}

.switch-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.radio-pill-group {
  display: flex;
  gap: 10px;
}

.radio-pill {
  flex: 1;
  position: relative;
  cursor: pointer;
}

.radio-pill input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.radio-pill span {
  display: block;
  text-align: center;
  padding: 8px 12px;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.radio-pill input:checked + span {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.calc-input-group {
  margin-bottom: 24px;
}

.calc-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 8px;
}

.input-with-action {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 12px;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  font-family: inherit;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-main);
  background-color: #ffffff;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

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

.input-suffix {
  position: absolute;
  right: 18px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-light);
  pointer-events: none;
}

.form-range {
  width: 100%;
  accent-color: var(--color-primary-light);
  cursor: pointer;
}

.calc-result-box {
  background-color: #ffffff;
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.result-highlight {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  margin-bottom: 6px;
}

.result-number {
  font-size: 3.25rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
}

.result-label {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-main);
}

.result-detail p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   MINI-TEST: TIPO DE METABOLISMO
   ========================================================================== */

.section-quiz {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
}

.quiz-container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: flex-start;
}

.quiz-questions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.quiz-item {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  transition: border-color var(--transition-fast);
}

.quiz-item:hover {
  border-color: rgba(22, 163, 74, 0.4);
}

.quiz-item-header {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-grow: 1;
}

.quiz-q-num {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.quiz-q-text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-main);
  line-height: 1.4;
}

.quiz-options {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.quiz-radio {
  cursor: pointer;
  position: relative;
}

.quiz-radio input {
  position: absolute;
  opacity: 0;
}

.quiz-radio span {
  display: block;
  padding: 8px 18px;
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.quiz-radio input:checked + span {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

/* Card Resultado Quiz */
.quiz-result-card {
  background-color: #ffffff;
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-xl);
  position: sticky;
  top: 96px;
}

.quiz-result-header {
  margin-bottom: 16px;
}

.badge-result {
  display: inline-block;
  background-color: var(--color-accent-subtle);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(22, 163, 74, 0.3);
  margin-bottom: 10px;
}

.badge-result.excitado {
  background-color: #fef2f2;
  color: #b91c1c;
  border-color: #fca5a5;
}

.result-headline {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text-main);
  line-height: 1.25;
}

.result-explanation {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 24px;
}

.result-recommendation-box {
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
}

.rec-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.rec-list {
  list-style: square;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.84375rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   RESPALDO FRANK SUÁREZ & REGULATORIO
   ========================================================================== */

.section-endorsement {
  background-color: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.endorsement-card {
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
  max-width: 900px;
  margin: 0 auto;
}

.endorsement-header {
  text-align: center;
  margin-bottom: 24px;
}

.endorsement-quote {
  font-size: 1.25rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--color-text-main);
  text-align: center;
  margin-bottom: 24px;
  position: relative;
}

.author-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.author-info strong {
  font-size: 1.1rem;
  color: var(--color-primary);
}

.author-info span {
  font-size: 0.84375rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.compliance-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background-color: var(--color-bg-alt);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.compliance-note svg {
  width: 20px;
  height: 20px;
  color: var(--color-text-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.compliance-note p {
  font-size: 0.775rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* ==========================================================================
   BANNER DE CONVERSIÓN FINAL
   ========================================================================== */

.section-cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #ffffff;
  padding: 70px 0;
}

.cta-banner-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.cta-banner-subtitle {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 36px;
}

.cta-banner-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background-color: #0b1322;
  color: #cbd5e1;
  font-size: 0.875rem;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 48px;
  padding: 64px 20px 48px;
}

.footer-brand {
  margin-bottom: 16px;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.5px;
}

.brand-text strong {
  color: var(--color-primary-light);
}

.footer-legal-desc {
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 16px;
}

.footer-legal-desc strong {
  color: #f1f5f9;
}

.footer-mission {
  font-size: 0.8125rem;
  color: #64748b;
  line-height: 1.5;
}

.footer-heading {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-links .active-footer-link {
  color: var(--color-primary-light);
  font-weight: 600;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  font-size: 0.8125rem;
  color: #64748b;
}

.footer-bottom-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
}

.footer-disclaimer a {
  color: #38bdf8;
  text-decoration: underline;
}

.footer-disclaimer a:hover {
  color: #7dd3fc;
}

.footer-copy {
  color: #475569;
}

/* ==========================================================================
   RESPONSIVIDAD & BREAKPOINTS
   ========================================================================== */

/* Tablet & Portátiles medianas */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .calculator-card {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px;
  }

  .quiz-container {
    grid-template-columns: 1fr;
  }

  .quiz-result-card {
    position: static;
  }

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

  .footer-col-about {
    grid-column: span 2;
  }
}

/* Móvil (especialmente probado a 390x844) */
@media (max-width: 768px) {
  .demo-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 16px;
  }

  .demo-bar-models {
    width: 100%;
    justify-content: flex-start;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    flex-direction: column;
    padding: 20px;
    border-bottom: 2px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    gap: 16px;
  }

  .main-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-cta-group {
    flex-direction: column;
  }

  .hero-social-proof {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .proof-divider {
    display: none;
  }

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

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

  .quiz-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .quiz-options {
    width: 100%;
  }

  .quiz-radio {
    flex: 1;
  }

  .quiz-radio span {
    text-align: center;
  }

  .footer-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-col-about {
    grid-column: span 1;
  }
}