/* ==========================================================================
   AMG ASOCIADOS - ESTUDIO CONTABLE & SOFTWARE ERP EN LIMA - PERÚ
   PRODUCTION STYLESHEET (OWASP & CORE WEB VITALS OPTIMIZED)
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Playfair+Display:ital,wght@0,700;0,800;1,700&display=swap');

:root {
  --navy-primary: #0E2A47;
  --navy-dark: #0A1E34;
  --navy-brand: #1E3A8A;
  --navy-light: #163C65;
  --emerald-accent: #059669;
  --emerald-hover: #047857;
  --emerald-light: #ECFDF5;
  --amber-gold: #D97706;
  --amber-light: #FFFBEB;
  --text-dark: #0F172A;
  --text-muted: #475569;
  --bg-light: #F8FAFC;
  --bg-white: #FFFFFF;
  --border-color: #E2E8F0;
  --border-hover: #CBD5E1;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 4px rgba(15,23,42,0.04);
  --shadow-md: 0 12px 28px -6px rgba(15,23,42,0.08);
  --shadow-lg: 0 24px 48px -12px rgba(14,42,71,0.16);
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-serif: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  width: 100%;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: #FFFFFF;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   TOPBAR & NAVBAR
   ========================================================================== */
.site-topbar {
  background: var(--navy-dark);
  color: #CBD5E1;
  font-size: 13px;
  padding: 10px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  width: 100%;
}

.topbar-info, .topbar-contact {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #CBD5E1;
  text-decoration: none;
  transition: var(--transition);
}

.topbar-item:hover {
  color: #FFFFFF;
}

.site-navbar {
  background: #FFFFFF;
  padding: 16px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.site-logo-img {
  height: 102px;
  width: auto;
  max-width: 440px;
  object-fit: contain;
  display: block;
  transition: var(--transition);
}

@media (max-width: 992px) {
  .site-logo-img {
    height: 78px;
    max-width: 340px;
  }
}



.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 600;
  font-size: 14px;
  transition: var(--transition);
  padding: 6px 0;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--emerald-accent);
}

.header-cta-btn {
  background: var(--emerald-accent);
  color: #FFFFFF !important;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(5,150,105,0.2);
}

.header-cta-btn:hover {
  background: var(--emerald-hover);
  transform: translateY(-2px);
}

.mobile-menu-toggle {
  display: none;
  background: var(--navy-primary);
  color: #FFFFFF;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

/* ==========================================================================
   HERO SLIDER
   ========================================================================== */
.hero-slider-wrapper {
  width: 100%;
  min-height: 620px;
  position: relative;
  background: var(--navy-dark);
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-height: 620px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.8s ease;
  display: flex;
  align-items: center;
  z-index: 1;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.hero-slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
  transition: transform 6s ease;
}

.hero-slide.active .hero-slide-bg {
  transform: scale(1);
}

.hero-slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10,30,52,0.94) 0%, rgba(14,42,71,0.88) 100%);
  z-index: 1;
}

.hero-slide-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 60px 40px;
  position: relative;
  z-index: 3;
  width: 100%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  color: #FFFFFF;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(5,150,105,0.22);
  border: 1px solid rgba(5,150,105,0.4);
  color: #34D399;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
  color: #FFFFFF;
}

.hero-subtitle {
  font-size: 17px;
  color: #CBD5E1;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--emerald-accent);
  color: #FFFFFF !important;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  font-size: 15px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(5,150,105,0.3);
}

.btn-primary:hover {
  background: var(--emerald-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #FFFFFF !important;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  font-size: 15px;
  border: 1px solid rgba(255,255,255,0.25);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.slider-arrow:hover {
  background: var(--emerald-accent);
  border-color: var(--emerald-accent);
}

.slider-arrow.prev { left: 24px; }
.slider-arrow.next { right: 24px; }

.slider-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  background: var(--emerald-accent);
  width: 30px;
  border-radius: 20px;
}

/* ==========================================================================
   PAGE HEROES & CONTAINERS (1140PX BOXED)
   ========================================================================== */
.page-hero {
  padding: 65px 24px;
  background: linear-gradient(135deg, rgba(14,42,71,0.95) 0%, rgba(10,30,52,0.95) 100%), url('assets/hero_banner.jpg') center/cover no-repeat;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.page-hero-inner {
  max-width: 960px;
  margin: 0 auto;
}

.page-hero h1, .page-hero h2 {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 17px;
  color: #CBD5E1;
  line-height: 1.75;
  margin-bottom: 24px;
}

.section-padding {
  padding: 65px 24px;
  background: #FFFFFF;
}

.container-1140 {
  max-width: 1140px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 44px;
}

.section-subtitle {
  font-size: 13px;
  font-weight: 700;
  color: var(--emerald-accent);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 34px;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 12px;
  line-height: 1.25;
}

.section-desc {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto;
}

/* ==========================================================================
   GRIDS & CARDS
   ========================================================================== */
.soluciones-items-grid-3x3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  list-style: none;
}

.soluciones-items-grid-2col, .erp-versions-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  list-style: none;
}

.soluciones-item-card-icon {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 28px 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.soluciones-item-card-icon:hover {
  border-color: var(--emerald-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.soluciones-item-card-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--navy-brand);
  transition: var(--transition);
}

.soluciones-item-card-icon:hover::before {
  background: var(--emerald-accent);
}

.soluciones-card-icon-wrapper {
  width: 52px;
  height: 52px;
  background: var(--emerald-light);
  color: var(--emerald-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
  border: 1px solid rgba(5,150,105,0.2);
}

.soluciones-item-card-icon h4 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 10px;
}

.soluciones-item-card-icon p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.btn-service-detail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--emerald-light);
  color: var(--emerald-accent);
  border: 1px solid rgba(5,150,105,0.3);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  margin-top: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.soluciones-item-card-icon:hover .btn-service-detail {
  background: var(--emerald-accent);
  color: #FFFFFF;
  border-color: var(--emerald-accent);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(5,150,105,0.3);
}

.btn-whatsapp-modal {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #FFFFFF !important;
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid #1EBE5B;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
  cursor: pointer;
}

.btn-whatsapp-modal:hover {
  background: #1EBE5B;
  color: #FFFFFF !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.4);
}

.erp-version-card-executive {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  border-top: 5px solid var(--navy-brand);
}

.erp-version-card-executive:hover {
  border-color: var(--emerald-accent);
  border-top-color: var(--emerald-accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.erp-version-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
}

.erp-version-card-icon {
  width: 56px;
  height: 56px;
  background: rgba(30,58,138,0.08);
  color: var(--navy-brand);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.erp-version-badge {
  background: var(--emerald-light);
  color: var(--emerald-accent);
  font-size: 12px;
  font-weight: 800;
  padding: 6px 14px;
  border-radius: 20px;
  text-transform: uppercase;
}

.erp-version-card-executive h4 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 6px;
}

.erp-version-tagline {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-brand);
  margin-bottom: 14px;
}

.erp-version-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 22px;
}

.erp-features-checklist {
  list-style: none;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border-color);
}

.erp-features-checklist li {
  font-size: 13px;
  color: var(--text-dark);
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.erp-features-checklist i {
  color: var(--emerald-accent);
}

/* ==========================================================================
   EXECUTIVE CONTACT BANNER (BOXED 1140PX ACCOUNTING DESIGN)
   ========================================================================== */
.executive-contact-banner-boxed {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-primary) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 50px 44px;
  border-top: 5px solid var(--emerald-accent);
  box-shadow: var(--shadow-lg);
  margin-bottom: 40px;
}

.executive-banner-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.contact-direct-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.contact-detail-pill {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
}

.contact-detail-pill h6 {
  font-size: 11px;
  font-weight: 700;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}

.contact-detail-pill p, .contact-detail-pill a {
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  text-decoration: none;
}

.contact-detail-pill a:hover {
  color: var(--emerald-accent);
}

@media (max-width: 992px) {
  .executive-banner-grid {
    grid-template-columns: 1fr;
  }
  .contact-direct-details {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   CONTACT PAGE 2-COLUMNS
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: stretch;
}

.contact-info-box {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-primary) 100%);
  color: #FFFFFF;
  padding: 44px 36px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border-left: 5px solid var(--emerald-accent);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-box h3 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.contact-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.contact-item i {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.08);
  color: #34D399;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-item h5 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: #94A3B8;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}

.contact-item a, .contact-item p {
  font-size: 15px;
  font-weight: 700;
  color: #FFFFFF;
  text-decoration: none;
}

.contact-form-box {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  padding: 44px 36px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-dark);
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  background: #FFFFFF;
  border-color: var(--emerald-accent);
  box-shadow: 0 0 0 3px rgba(5,150,105,0.15);
}

select.form-control optgroup {
  font-weight: 700;
  color: var(--navy-primary);
  background: #F1F5F9;
}

/* ==========================================================================
   BRAND LOGOS CAROUSEL / MARQUEE (INFINITE LOOP ANIMATION)
   ========================================================================== */
.logos-carousel-section {
  background: var(--bg-light);
  padding: 40px 0;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
  position: relative;
  width: 100%;
}

.logos-marquee-wrapper {
  width: 100%;
  overflow: hidden;
  position: relative;
  padding: 10px 0;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.logos-marquee-track {
  display: flex;
  gap: 32px;
  width: max-content;
  align-items: center;
  animation: marqueeScroll 20s linear infinite !important;
}

.logos-marquee-wrapper:hover .logos-marquee-track {
  animation-play-state: paused !important;
}

@keyframes marqueeScroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.brand-logo-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px 36px;
  height: 98px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(15,23,42,0.05);
  transition: var(--transition);
  flex-shrink: 0;
}

.brand-logo-card:hover {
  border-color: var(--emerald-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.brand-logo-img {
  max-height: 68px;
  max-width: 210px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: contrast(105%);
  transition: var(--transition);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  width: 100%;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy-primary) 100%);
  color: #FFFFFF;
  padding: 65px 40px 24px 40px;
  border-top: 4px solid var(--emerald-accent);
}

.footer-grid-executive {
  display: grid;
  grid-template-columns: 1.4fr 1.1fr 1.1fr 1.4fr;
  gap: 36px;
  max-width: 1320px;
  margin: 0 auto 40px auto;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: #FFFFFF;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--emerald-accent);
}

.footer-col p {
  color: #94A3B8;
  font-size: 14px;
  line-height: 1.7;
}

.footer-social-bar {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: #FFFFFF;
  font-size: 15px;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.15);
}

.social-icon-btn:hover {
  background: var(--emerald-accent);
  border-color: var(--emerald-accent);
  transform: translateY(-3px);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-links a {
  color: #94A3B8;
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a i {
  color: var(--emerald-accent);
  font-size: 11px;
}

.footer-links a:hover {
  color: #FFFFFF;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  color: #64748B;
  font-size: 13px;
  max-width: 1320px;
  margin: 0 auto;
}

/* MODAL */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10,30,52,0.75);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: #FFFFFF;
  width: 90%;
  max-width: 600px;
  border-radius: var(--radius-md);
  padding: 32px;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(0,0,0,0.05);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  color: var(--text-muted);
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .site-topbar { padding: 10px 20px; flex-direction: column; text-align: center; }
  .topbar-info, .topbar-contact { justify-content: center; gap: 12px; }
  .site-navbar { padding: 14px 20px; position: relative; }
  .mobile-menu-toggle { display: flex !important; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--navy-dark);
    flex-direction: column;
    padding: 16px 20px;
    gap: 8px;
    box-shadow: 0 12px 28px rgba(0,0,0,0.35);
    border-bottom: 3px solid var(--emerald-accent);
    z-index: 1000;
  }
  .nav-links.active { display: flex !important; }
  .nav-links a { color: #FFFFFF !important; padding: 12px 16px; background: rgba(255,255,255,0.06); border-radius: var(--radius-sm); width: 100%; }
  .header-cta-btn { display: none; }
  .hero-slide-container { grid-template-columns: 1fr; text-align: center; }
  .hero-title { font-size: 30px; }
  .hero-actions { justify-content: center; }
  .slider-arrow { display: none; }
  .soluciones-items-grid-3x3 { grid-template-columns: repeat(2, 1fr); }
  .soluciones-items-grid-2col, .erp-versions-grid-2col, .contact-layout { grid-template-columns: 1fr; }
  .footer-grid-executive { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .soluciones-items-grid-3x3 { grid-template-columns: 1fr; }
  .footer-grid-executive { grid-template-columns: 1fr; }
  .hero-title { font-size: 24px; }
  .hero-actions { flex-direction: column; }
  .hero-actions button, .hero-actions a { width: 100%; justify-content: center; }
}