/* TecnoSolar - Modern Industrial Design System */
:root {
  /* Design Tokens from Brand Specification */
  --surface: #fcf8ff;
  --surface-dim: #dcd9e1;
  --surface-bright: #fcf8ff;
  --surface-container-lowest: #ffffff;
  --surface-container-low: #f6f2fb;
  --surface-container: #f0ecf5;
  --surface-container-high: #eae7ef;
  --surface-container-highest: #e4e1e9;
  --on-surface: #1b1b21;
  --on-surface-variant: #464651;
  --outline: #777683;
  --outline-variant: #c7c5d3;
  
  --primary: #262881;
  --on-primary: #ffffff;
  --primary-container: #3e4199;
  --on-primary-container: #b3b6ff;
  
  --secondary: #006e23;
  --on-secondary: #ffffff;
  --secondary-container: #8bf790;
  
  --tertiary: #4c2e00;
  --tertiary-container: #6a4300;
  
  /* Brand Core Accents */
  --deep-industrial: #333132;
  --solar-gold: #FAA61A;
  --eco-green: #27963C;
  --tech-blue: #3E4199;
  
  /* Typography Fonts */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Radii */
  --radius-sm: 0.125rem;
  --radius-default: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-pill: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-padding-top: 64px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--surface);
  color: var(--on-surface);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Typography Classes */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary);
  font-weight: 700;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--outline-variant);
  box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.top-bar {
  background-color: var(--primary);
  color: #fff;
  padding: 6px 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.top-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-text {
  text-align: center;
  flex: 1;
}

.top-bar-social {
  display: flex;
  gap: 12px;
}

.top-bar-social a {
  color: rgba(255,255,255,0.7);
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.top-bar-social a:hover {
  color: var(--solar-gold);
}

.top-bar .icon {
  margin-right: 6px;
  color: var(--solar-gold);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--primary);
}

.brand-logo svg {
  width: 38px;
  height: 38px;
}

.brand-logo span.highlight {
  color: var(--solar-gold);
}

.main-nav {
  display: flex;
  gap: 20px;
}

.nav-item {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--on-surface-variant);
  padding: 8px 12px;
  border-radius: var(--radius-default);
  transition: var(--transition-fast);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item:hover, .nav-item.active {
  color: var(--primary);
  background-color: var(--surface-container);
  border-bottom: 2px solid var(--tech-blue);
}

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

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box input {
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-pill);
  background-color: var(--surface-container-low);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-fast);
  width: 180px;
}

.search-box input:focus {
  width: 230px;
  border-color: var(--tech-blue);
  box-shadow: 0 0 0 3px rgba(62, 65, 153, 0.15);
}

.search-box svg {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  fill: var(--outline);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
}
/* WhatsApp Floating Button */
.btn-whatsapp-chat {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: #fff;
    padding: 12px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1000;
    transition: transform 0.2s ease-in-out;
}

.btn-whatsapp-chat:hover {
    transform: scale(1.05);
    background-color: #20ba5a;
    color: #fff;
}

/* Floating Social Media Buttons */
.floating-social {
    position: fixed;
    left: 20px;
    bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
}

.floating-social a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.1rem;
    text-decoration: none;
    box-shadow: 0 3px 10px rgba(0,0,0,0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-social a:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0,0,0,0.35);
}

.floating-social a:nth-child(1) { background-color: #1877f2; }
.floating-social a:nth-child(2) { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.floating-social a:nth-child(3) { background-color: #0a66c2; }
.floating-social a:nth-child(4) { background-color: #ff0000; }

/* Footer Social */
.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--solar-gold);
    color: var(--deep-industrial);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-container);
  box-shadow: 0 4px 12px rgba(38, 40, 129, 0.25);
}

.btn-solar {
  background-color: var(--solar-gold);
  color: var(--deep-industrial);
  font-weight: 700;
}

.btn-solar:hover {
  background-color: #e09310;
  box-shadow: 0 4px 12px rgba(250, 166, 26, 0.3);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background-color: var(--surface-container);
}

/* Hero Carousel */
.hero-carousel {
  position: relative;
  height: 480px;
  overflow: hidden;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  z-index: 0;
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(38,40,129,0.85) 0%, rgba(51,49,50,0.7) 100%);
  z-index: 2;
}

.hero-content {
  max-width: 850px;
  position: relative;
  z-index: 3;
}

.hero-tag {
  display: inline-block;
  background: rgba(250, 166, 26, 0.25);
  border: 1px solid var(--solar-gold);
  color: #ffebaa;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.hero-content h1 {
  color: #ffffff;
  font-size: 2.8rem;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--surface-container-low);
  margin-bottom: 28px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Main Layout */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 24px;
}

/* Category Navigation Filter Pills */
.category-filter-track {
  position: relative;
  margin-bottom: 32px;
}

.category-filter-bar {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 48px 14px 48px;
  margin: -4px -48px 0;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
  scroll-padding-inline: 48px;
}

.category-filter-bar::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  padding: 10px 18px;
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
  scroll-snap-align: start;
  flex-shrink: 0;
}

.filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--surface-container-low);
}

.filter-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 10px rgba(38,40,129,0.2);
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--outline-variant);
  background: var(--surface);
  color: var(--primary);
  font-size: 1.6rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
  transition: var(--transition-fast);
}

.carousel-arrow:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.carousel-arrow.left {
  left: 0;
}

.carousel-arrow.right {
  right: 0;
}

.carousel-arrow[hidden] {
  display: none;
}

/* Section Titles */
.section-header {
  margin-bottom: 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 2px solid var(--surface-container-high);
  padding-bottom: 12px;
}

.section-title-group h2 {
  font-size: 1.8rem;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title-group p {
  color: var(--on-surface-variant);
  font-size: 0.95rem;
  margin-top: 4px;
}

/* Catalog Sub-category Grid */
.subcategories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 50px;
}

.subcategory-card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  padding: 0;
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.subcategory-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--tech-blue);
  opacity: 0;
  transition: var(--transition-fast);
  z-index: 2;
}

.subcategory-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(51, 49, 50, 0.08);
  border-color: var(--tech-blue);
}

.subcategory-card:hover::before {
  opacity: 1;
}

/* Imagen del producto (estilo app TecnoSolar) */
.card-img-link {
  display: block;
  height: 180px;
  overflow: hidden;
  background-color: var(--surface-container);
}

.card-img-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.subcategory-card:hover .card-img-link img {
  transform: scale(1.05);
}

.card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--outline);
  background: var(--surface-container);
}

.card-body {
  padding: 16px 20px 0 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.subcat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.subcat-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background-color: var(--surface-container-low);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.subcat-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--on-surface);
  line-height: 1.3;
}

.subcat-desc {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  margin-bottom: 16px;
}

.subcat-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--eco-green);
  border-top: 1px solid var(--surface-container-high);
  margin-top: 8px;
  padding: 12px 20px;
}

.subcat-action-link {
  color: var(--primary);
  font-weight: 700;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.subcat-action-link:hover {
  color: var(--tech-blue);
  text-decoration: underline;
}

/* Feature Banners / Integrated Solutions */
.solutions-section {
  background-color: var(--surface-container-low);
  padding: 60px 0;
  margin: 40px 0;
  border-radius: var(--radius-lg);
}

.solution-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 50px;
}

.solution-grid.reverse {
  direction: rtl;
}

.solution-grid.reverse .solution-text {
  direction: ltr;
}

.solution-text {
  padding: 10px;
}

.solution-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #e1f5fe;
  color: #0288d1;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.solution-text h3 {
  font-size: 2rem;
  margin-bottom: 14px;
  line-height: 1.2;
}

.solution-text p {
  color: var(--on-surface-variant);
  margin-bottom: 20px;
  font-size: 0.98rem;
}

.solution-features {
  list-style: none;
  margin-bottom: 24px;
}

.solution-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--on-surface);
}

.solution-features li svg {
  width: 18px;
  height: 18px;
  fill: var(--eco-green);
  flex-shrink: 0;
  margin-top: 2px;
}

.solution-image {
  width: 100%;
  height: 360px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Product Cards Showcase */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  border-color: var(--tech-blue);
}

.product-img-wrapper {
  position: relative;
  height: 200px;
  background-color: var(--surface-container);
  overflow: hidden;
}

.product-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.product-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--solar-gold);
  color: var(--deep-industrial);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.product-content {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-cat {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--eco-green);
  margin-bottom: 6px;
}

.product-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 8px;
}

.product-desc {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  margin-bottom: 16px;
  flex-grow: 1;
}

.product-action {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--surface-container-high);
  padding-top: 12px;
  margin-top: auto;
}

.product-price {
  font-weight: 700;
  color: var(--primary);
  font-size: 1.05rem;
}

/* Footer */
.site-footer {
  background-color: var(--primary);
  color: #ffffff;
  padding: 60px 0 20px 0;
  margin-top: 80px;
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  padding-right: 20px;
}

.footer-brand .logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand p {
  color: var(--outline-variant);
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer-col h4 {
  color: var(--solar-gold);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--surface-container-high);
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 24px 0 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--outline-variant);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.project-card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.project-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}

.project-img {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.project-info {
  padding: 18px;
}

.project-tag {
  display: inline-block;
  background: var(--surface-container-low);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.project-info h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.project-info p {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: var(--transition-fast);
}

.testimonial-card:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.testimonial-stars {
  color: var(--solar-gold);
  font-size: 0.9rem;
  margin-bottom: 12px;
  display: flex;
  gap: 2px;
}

.testimonial-text {
  font-size: 0.92rem;
  color: var(--on-surface);
  line-height: 1.6;
  margin-bottom: 18px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: var(--on-surface);
}

.testimonial-author span {
  font-size: 0.78rem;
  color: var(--on-surface-variant);
}

/* About / Nosotros */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--surface-container-low);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.about-text p {
  font-size: 0.95rem;
}

.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 8px;
}

.stat-item strong {
  display: block;
  font-size: 1.8rem;
  color: var(--primary);
  font-family: var(--font-heading);
}

.stat-item span {
  font-size: 0.8rem;
  color: var(--on-surface-variant);
}

.about-image {
  display: flex;
  justify-content: center;
}

.about-image img {
  width: 300px;
  height: 300px;
  max-width: 100%;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  border: 4px solid var(--solar-gold);
}

/* Medios de Pago */
.pagos-wrapper {
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
}

.pagos-header {
  margin-bottom: 36px;
}

.pagos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  max-width: 760px;
  margin: 0 auto;
}

.pago-card {
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.16);
  color: #ffffff;
  min-height: 320px;
}

.pago-card.yape {
  background: linear-gradient(140deg, #5B2C83 0%, #8E24AA 100%);
}

.pago-card.plin {
  background: linear-gradient(140deg, #01E0CD 0%, #02A99B 100%);
  color: #030713;
}

.pago-tag {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.22);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.pago-card.plin .pago-tag {
  background: rgba(3, 7, 19, 0.12);
}

.pago-logo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}

.pago-card.plin .pago-logo {
  background: rgba(3, 7, 19, 0.1);
}

.pago-card h3 {
  font-size: 1.6rem;
  font-family: var(--font-heading);
  margin: 0;
}

.pago-card p {
  font-size: 0.92rem;
  opacity: 0.92;
  margin: 0;
  max-width: 280px;
}

.pago-numero {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  background: rgba(255, 255, 255, 0.25);
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  margin-top: 8px;
}

.pago-card.plin .pago-numero {
  background: rgba(3, 7, 19, 0.12);
}

/* Registro de Cliente */
.registro-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.registro-badge {
  display: inline-block;
  background: var(--solar-gold);
  color: var(--deep-industrial);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.registro-beneficios {
  list-style: none;
}

.registro-beneficios li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--on-surface);
}

.registro-beneficios li i {
  color: var(--eco-green);
  font-size: 1rem;
}

.registro-form {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.registro-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  text-align: left;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
  color: var(--on-surface);
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-default);
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--on-surface);
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--tech-blue);
  box-shadow: 0 0 0 3px rgba(62, 65, 153, 0.15);
}

/* Modal Solicitar Cotización */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(3px);
}

.modal {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  animation: modalIn 0.25s ease-out;
}

@keyframes modalIn {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 18px;
  background: transparent;
  border: none;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--primary);
}

/* Responsive Rules */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .solution-grid, .solution-grid.reverse {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-stats {
    justify-content: center;
  }

  .top-bar-social {
    display: none;
  }

  .registro-wrapper {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .search-box input {
    width: 130px;
  }
  
  .search-box input:focus {
    width: 160px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }

  .floating-social {
    flex-direction: row;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
  }

  .floating-social a {
    width: 38px;
    height: 38px;
    font-size: 0.95rem;
  }

  .about-stats {
    flex-direction: column;
    gap: 16px;
  }

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

  .registro-form-grid {
    grid-template-columns: 1fr;
  }

  .registro-wrapper {
    padding: 24px;
  }
}