/**
 * Xperts Developers — Master Design System & Core Stylesheet
 * Estética tecnológica premium inspirada en sistemas de ingeniería modernos.
 */

:root {
  /* Paleta de Color Oficial */
  --bg-primary: #070A0F;
  --bg-secondary: #0D1117;
  --surface: #111827;
  --surface-elevated: #161D2A;
  --surface-glass: rgba(17, 24, 39, 0.82);
  --surface-glass-border: rgba(255, 255, 255, 0.09);

  --blue-primary: #1677FF;
  --blue-hover: #0958D9;
  --cyan: #00B8F5;
  --blue-light: #3EA6FF;
  --red-accent: #EF3340;

  --text-primary: #F8FAFC;
  --text-secondary: #A8B3C5;
  --text-muted: #64748B;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-active: rgba(0, 184, 245, 0.5);

  --glow-blue: rgba(22, 119, 255, 0.18);
  --glow-cyan: rgba(0, 184, 245, 0.16);

  /* Tipografías */
  --font-heading: 'Space Grotesk', 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Espaciados y Radios */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6), 0 0 1px 1px var(--border-subtle);
  --shadow-glow: 0 0 35px -5px var(--glow-blue);

  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 280ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 450ms cubic-bezier(0.16, 1, 0.3, 1);

  --header-height: 76px;
  --container-max: 1240px;
}

/* Reset y Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  letter-spacing: -0.01em;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Fondo Tecnológico con Micro-Grid sutil */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: -2;
}

/* Luz ambiental sutil */
body::after {
  content: '';
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  height: 600px;
  background: radial-gradient(circle, rgba(22, 119, 255, 0.08) 0%, rgba(0, 184, 245, 0.03) 40%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Tipografía y Jerarquía */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.85rem); }
h2 { font-size: clamp(1.85rem, 3.8vw, 2.75rem); }
h3 { font-size: clamp(1.35rem, 2.4vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.9rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1.025rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--blue-light);
}

ul, ol {
  list-style: none;
}

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

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

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

.container-narrow {
  max-width: 960px;
}

.section-padding {
  padding-top: clamp(4.5rem, 8vw, 7.5rem);
  padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
  position: relative;
}

.section-padding-top {
  padding-top: clamp(4.5rem, 8vw, 7.5rem);
}

.section-padding-bottom {
  padding-bottom: clamp(4.5rem, 8vw, 7.5rem);
}

/* Encabezados de Sección */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
}

.section-header.text-left {
  text-align: left;
  margin-left: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  background: rgba(0, 184, 245, 0.08);
  border: 1px solid rgba(0, 184, 245, 0.22);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.eyebrow-red {
  color: var(--red-accent);
  background: rgba(239, 51, 64, 0.08);
  border-color: rgba(239, 51, 64, 0.25);
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.section-title {
  margin-bottom: 1.15rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  line-height: 1.6;
}

.text-gradient {
  background: linear-gradient(135deg, #FFFFFF 20%, var(--cyan) 80%, var(--blue-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-blue {
  background: linear-gradient(135deg, #FFFFFF 40%, var(--blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Botones Tech
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-primary) 0%, #0c61d6 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: 0 4px 20px rgba(22, 119, 255, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #2284ff 0%, var(--blue-primary) 100%);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(22, 119, 255, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #128C7E;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 18px rgba(18, 140, 126, 0.35);
}

.btn-whatsapp:hover {
  background: #075E54;
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 0.6rem 1rem;
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1.05rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   Cards y Contenedores Glassmorphic
   ========================================================================== */
.card-tech {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-card);
}

.card-tech::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.card-tech:hover {
  border-color: rgba(0, 184, 245, 0.28);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.7), 0 0 25px -5px var(--glow-cyan);
}

.card-tech-interactive {
  cursor: pointer;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-normal);
  background: transparent;
  display: flex;
  align-items: center;
}

.site-header.scrolled {
  background: rgba(7, 10, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.8);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.brand-logo-img {
  height: 42px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 184, 245, 0.25));
  transition: transform var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.04);
}

.brand-logo-mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--blue-primary) 0%, var(--cyan) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 0 16px var(--glow-cyan);
}

.brand-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-logo-name {
  letter-spacing: -0.02em;
  font-size: 1.15rem;
}

.brand-logo-name span {
  color: var(--cyan);
}

.brand-logo-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--cyan);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  color: var(--text-primary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* Mobile Drawer */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background: rgba(7, 10, 15, 0.98);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  padding: 2rem 1.5rem;
  flex-direction: column;
  justify-content: space-between;
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  z-index: 999;
}

.mobile-nav-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav-link {
  font-size: 1.25rem;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--cyan);
}

.mobile-drawer-footer {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: 4rem;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: center;
}

.hero-content {
  max-width: 660px;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.hero-direct-talk {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.925rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-direct-talk a {
  color: var(--cyan);
  font-weight: 600;
}

.hero-direct-talk a:hover {
  text-decoration: underline;
}

/* Hero Architecture Visualizer */
.hero-visual {
  position: relative;
}

.architecture-diagram {
  background: var(--surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.8), 0 0 30px -5px var(--glow-blue);
  position: relative;
}

.diagram-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
}

.diagram-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.diagram-status {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: #10B981;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 8px #10B981;
}

.arch-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  position: relative;
}

.arch-node {
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem 1rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  transition: all var(--transition-fast);
}

.arch-node:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 16px var(--glow-cyan);
}

.arch-node-main {
  background: linear-gradient(135deg, rgba(22, 119, 255, 0.15) 0%, rgba(0, 184, 245, 0.1) 100%);
  border-color: rgba(0, 184, 245, 0.35);
  font-weight: 600;
}

.arch-node-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
}

.arch-node-tag {
  font-size: 0.68rem;
  color: var(--cyan);
  background: rgba(0, 184, 245, 0.1);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.arch-tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  width: 100%;
}

.arch-subnode {
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.6rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.arch-subnode:hover {
  color: #ffffff;
  border-color: var(--blue-light);
  transform: translateY(-2px);
}

.arch-subnode svg {
  margin: 0 auto 0.4rem;
  color: var(--cyan);
}

.arch-connector {
  width: 2px;
  height: 22px;
  background: linear-gradient(180deg, var(--cyan), var(--blue-primary));
  position: relative;
  opacity: 0.6;
}

.arch-connector::after {
  content: '';
  position: absolute;
  top: 0;
  left: -2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 8px var(--cyan);
  animation: data-packet 2.5s infinite linear;
}

@keyframes data-packet {
  0% { top: 0; opacity: 0; }
  30% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* ==========================================================================
   Trust & Capabilities Bar
   ========================================================================== */
/* ==========================================================================
   Trust Badges & Certificaciones Reales
   ========================================================================== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  align-items: stretch;
}

.cert-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.cert-card:hover {
  border-color: rgba(0, 184, 245, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.8), 0 0 20px -5px var(--glow-cyan);
}

.cert-badge-img {
  height: 90px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.5));
  transition: transform var(--transition-fast);
}

.cert-card:hover .cert-badge-img {
  transform: scale(1.06);
}

.cert-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text-primary);
}

.cert-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.trust-bar-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}

.trust-bar-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 2.5rem;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.trust-badge:hover {
  color: #ffffff;
}

.trust-badge-icon {
  color: var(--cyan);
}

/* ==========================================================================
   Servicios Grid (6 Pilares)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 1.75rem;
}

.service-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.service-card-top {
  margin-bottom: 1.5rem;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(22, 119, 255, 0.15) 0%, rgba(0, 184, 245, 0.12) 100%);
  border: 1px solid rgba(0, 184, 245, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 1.35rem;
}

.service-number {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.service-card-title {
  margin-bottom: 0.75rem;
}

.service-features-list {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.service-feature-item svg {
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

.service-card-footer {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   Problema -> Solución (Before / After)
   ========================================================================== */
.problem-solution-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.comparison-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: all var(--transition-fast);
}

.comparison-card:hover {
  border-color: var(--border-medium);
}

.comparison-title {
  font-size: 1.15rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.comparison-box {
  padding: 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  line-height: 1.55;
}

.comparison-before {
  background: rgba(239, 51, 64, 0.06);
  border: 1px solid rgba(239, 51, 64, 0.2);
  color: #FCA5A5;
}

.comparison-after {
  background: rgba(16, 185, 129, 0.07);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: #A7F3D0;
}

.comparison-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
  display: block;
}

/* ==========================================================================
   Industrias
   ========================================================================== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.industry-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: all var(--transition-fast);
}

.industry-card:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.industry-icon {
  color: var(--cyan);
  margin-bottom: 1rem;
}

.industry-name {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.industry-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

/* ==========================================================================
   Casos de Éxito / Proyectos
   ========================================================================== */
.projects-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--blue-primary);
  border-color: var(--blue-primary);
  color: #ffffff;
  box-shadow: 0 0 16px var(--glow-blue);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-card);
}

.project-card:hover {
  border-color: rgba(0, 184, 245, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.8), 0 0 30px -5px var(--glow-cyan);
}

.project-preview {
  position: relative;
  height: 220px;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow: hidden;
}

.project-mockup {
  width: 90%;
  height: 85%;
  background: #090D14;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.mockup-bar {
  height: 20px;
  background: #111827;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  padding: 0 8px;
  gap: 5px;
}

.mockup-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #475569;
}

.mockup-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
}

.mockup-line {
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
}

.mockup-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 8px;
  height: 100%;
}

.mockup-block {
  background: rgba(22, 119, 255, 0.1);
  border: 1px dashed rgba(22, 119, 255, 0.3);
  border-radius: 4px;
}

.project-badge-float {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(7, 10, 15, 0.85);
  border: 1px solid var(--border-medium);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  color: var(--cyan);
}

.project-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
}

.project-title {
  font-size: 1.28rem;
  margin-bottom: 0.75rem;
}

.project-summary {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.55;
}

.project-results-pill {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #A7F3D0;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.stack-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: var(--text-secondary);
}

.project-footer {
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   Sección IA & Flujo Interactivo
   ========================================================================== */
.ai-section-box {
  background: linear-gradient(135deg, rgba(17, 24, 39, 0.9) 0%, rgba(13, 17, 23, 0.9) 100%);
  border: 1px solid rgba(0, 184, 245, 0.25);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  box-shadow: var(--shadow-card), 0 0 50px -15px var(--glow-cyan);
}

.ai-flow-diagram {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.ai-channels-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.ai-channel-pill {
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.ai-center-engine {
  background: linear-gradient(135deg, rgba(22, 119, 255, 0.2) 0%, rgba(0, 184, 245, 0.2) 100%);
  border: 1px solid var(--cyan);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
  box-shadow: 0 0 25px var(--glow-cyan);
}

.ai-outputs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  max-width: 580px;
  margin: 0 auto;
}

.ai-output-card {
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  text-align: center;
  font-size: 0.85rem;
}

/* ==========================================================================
   Stack Tecnológico
   ========================================================================== */
.tech-stack-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.tech-group {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.tech-group-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tech-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.tech-item {
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.tech-item:hover {
  color: #ffffff;
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--glow-cyan);
}

/* ==========================================================================
   Proceso de Ingeniería (Timeline 7 Pasos)
   ========================================================================== */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.25rem;
  position: relative;
}

.process-step {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  position: relative;
  transition: all var(--transition-fast);
}

.process-step:hover {
  border-color: var(--blue-primary);
  transform: translateY(-3px);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--cyan);
}

.step-title {
  font-size: 1.05rem;
  font-weight: 600;
}

.step-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ==========================================================================
   Formulario de Cotización de Alta Conversión
   ========================================================================== */
.quote-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, #0c121e 100%);
  position: relative;
}

.quote-card {
  background: var(--surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3.5rem);
  box-shadow: var(--shadow-card), 0 0 60px -20px var(--glow-blue);
  max-width: 860px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-full {
  grid-column: span 2;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input, .form-select, .form-textarea {
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 184, 245, 0.18);
  background: #1a2334;
}

.service-selector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.6rem;
  margin-top: 0.35rem;
}

.service-checkbox-card {
  position: relative;
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.service-checkbox-card:hover {
  border-color: var(--border-medium);
}

.service-checkbox-card input[type="checkbox"],
.service-checkbox-card input[type="radio"] {
  accent-color: var(--cyan);
}

.service-checkbox-card.is-checked {
  border-color: var(--cyan);
  background: rgba(0, 184, 245, 0.08);
}

.form-feedback {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}

.form-feedback.is-success {
  display: block;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #A7F3D0;
}

.form-feedback.is-error {
  display: block;
  background: rgba(239, 51, 64, 0.12);
  border: 1px solid rgba(239, 51, 64, 0.3);
  color: #FCA5A5;
}

/* ==========================================================================
   Agente de IA para Consultas (Chat Assistant Widget)
   ========================================================================== */
.ai-agent-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1050;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.ai-agent-launcher {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #101927 0%, #172439 100%);
  border: 1px solid rgba(0, 184, 245, 0.4);
  color: #ffffff;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 25px -5px var(--glow-cyan);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ai-agent-launcher:hover {
  transform: translateY(-3px) scale(1.02);
  border-color: var(--cyan);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.8), 0 0 35px var(--glow-cyan);
}

.ai-agent-avatar {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--blue-primary) 0%, var(--cyan) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  position: relative;
}

.ai-agent-avatar::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  border: 2px solid #101927;
}

.ai-agent-label {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.ai-agent-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(0, 184, 245, 0.15);
  color: var(--cyan);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

/* AI Chat Modal Dialog */
.ai-agent-window {
  width: clamp(340px, 90vw, 420px);
  height: 580px;
  max-height: 82vh;
  background: var(--surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.9), 0 0 40px var(--glow-cyan);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(20px) scale(0.96);
  pointer-events: none;
  transition: all var(--transition-normal);
}

.ai-agent-window.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.ai-window-header {
  background: var(--surface-elevated);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-header-info {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.ai-header-text h4 {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
}

.ai-header-text span {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.ai-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.35rem;
  border-radius: 4px;
}

.ai-close-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.ai-messages-container {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  scroll-behavior: smooth;
}

.ai-message {
  display: flex;
  gap: 0.65rem;
  max-width: 88%;
  font-size: 0.88rem;
  line-height: 1.5;
}

.ai-message.bot {
  align-self: flex-start;
}

.ai-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.ai-bubble {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
}

.ai-message.bot .ai-bubble {
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  border-top-left-radius: 2px;
}

.ai-message.user .ai-bubble {
  background: linear-gradient(135deg, var(--blue-primary) 0%, #0f5bcc 100%);
  color: #ffffff;
  border-top-right-radius: 2px;
}

.ai-typing-indicator {
  display: inline-flex;
  gap: 4px;
  padding: 0.5rem 0.75rem;
  background: var(--surface-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  align-self: flex-start;
}

.ai-typing-indicator span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  animation: typing-bounce 1.4s infinite ease-in-out;
}

.ai-typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.ai-typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-4px); opacity: 1; }
}

.ai-suggestions-box {
  padding: 0.5rem 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  border-top: 1px solid var(--border-subtle);
  background: rgba(7, 10, 15, 0.4);
}

.ai-suggestion-chip {
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--cyan);
  font-size: 0.75rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ai-suggestion-chip:hover {
  background: rgba(0, 184, 245, 0.12);
  border-color: var(--cyan);
}

.ai-input-area {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border-subtle);
  background: var(--surface-elevated);
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.ai-chat-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  color: var(--text-primary);
  font-size: 0.88rem;
}

.ai-chat-input:focus {
  outline: none;
  border-color: var(--cyan);
}

.ai-send-btn {
  background: var(--blue-primary);
  border: none;
  color: #ffffff;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.ai-send-btn:hover {
  background: var(--blue-hover);
}

/* ==========================================================================
   Mobile Fixed Bottom Conversion Bar
   ========================================================================== */
.mobile-fixed-cta-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(7, 10, 15, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-medium);
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  z-index: 1000;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.7);
}

.mobile-cta-grid {
  display: grid;
  grid-template-columns: 40% 60%;
  gap: 0.65rem;
}

/* ==========================================================================
   Modal Global de Cotización Rápida
   ========================================================================== */
.quote-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
}

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

.quote-modal-dialog {
  background: var(--surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9), 0 0 50px var(--glow-blue);
  transform: translateY(20px) scale(0.97);
  transition: all var(--transition-normal);
}

.quote-modal-backdrop.is-active .quote-modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-close-icon {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close-icon:hover {
  color: #ffffff;
  border-color: var(--border-medium);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #04070B;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2.5rem;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  margin-top: 1.25rem;
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 340px;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: 1.35rem;
}

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

.footer-links-list a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--cyan);
  padding-left: 3px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.85rem;
}

.footer-contact-item svg {
  color: var(--cyan);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-social-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.social-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  color: #ffffff;
  border-color: var(--cyan);
  background: rgba(0, 184, 245, 0.1);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-legal-links {
  display: flex;
  gap: 1.5rem;
}

.footer-legal-links a {
  color: var(--text-muted);
}

.footer-legal-links a:hover {
  color: var(--text-primary);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-nav-drawer {
    display: flex;
  }

  .header-actions .btn-primary {
    display: none;
  }

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

  .form-full {
    grid-column: span 1;
  }
}

@media (max-width: 768px) {
  body {
    padding-bottom: 72px; /* Espacio para barra fija mobile */
  }

  .mobile-fixed-cta-bar {
    display: block;
  }

  .ai-agent-widget {
    bottom: 5.5rem;
    right: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .arch-tier-grid {
    grid-template-columns: 1fr;
  }
}

@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;
  }
}