/* ============================================================
   desarrolloweb.us — Main Stylesheet
   Stack: HTML/CSS/JS puro — máxima velocidad
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   ============================================================ */
:root {
  /* Colores principales */
  --color-bg-primary:    #050D1F;
  --color-bg-secondary:  #0A1628;
  --color-bg-tertiary:   #0D1F3C;
  --color-surface:       #111827;
  --color-surface-2:     #1A2540;
  --color-border:        rgba(255, 255, 255, 0.08);
  --color-border-hover:  rgba(255, 255, 255, 0.15);

  /* Acentos */
  --color-accent:        #2563EB;
  --color-accent-hover:  #1D4ED8;
  --color-accent-cyan:   #06B6D4;
  --color-accent-violet: #6366F1;
  --color-accent-glow:   rgba(37, 99, 235, 0.2);

  /* Texto */
  --color-text-primary:  #F9FAFB;
  --color-text-secondary:#9CA3AF;
  --color-text-body:     #E5E7EB;
  --color-text-muted:    #6B7280;

  /* Fondo claro */
  --color-light-bg:      #F8FAFC;
  --color-light-surface: #FFFFFF;
  --color-light-border:  #E2E8F0;
  --color-text-dark:     #0F172A;
  --color-text-dark-2:   #1E293B;
  --color-text-dark-muted: #64748B;

  /* Estado */
  --color-success:       #10B981;
  --color-warning:       #F59E0B;
  --color-error:         #EF4444;

  /* Tipografía */
  --font-primary:        'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:           'JetBrains Mono', 'Fira Code', monospace;

  /* Pesos */
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;
  --fw-extrabold:800;
  --fw-black:    900;

  /* Escala tipográfica */
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* Espaciado */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-7:  1.75rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Bordes */
  --radius-sm:  6px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-xl:  16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Sombras */
  --shadow-sm:   0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg:   0 10px 30px rgba(0,0,0,0.5);
  --shadow-xl:   0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(37,99,235,0.15);

  /* Transiciones */
  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   350ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max:  1280px;
  --container-pad:  clamp(1rem, 5vw, 2rem);
  --section-pad-v:  clamp(4rem, 8vw, 7rem);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--fw-regular);
  line-height: 1.75;
  color: var(--color-text-body);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.preload * {
  transition: none !important;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

::selection {
  background: rgba(37, 99, 235, 0.3);
  color: var(--color-text-primary);
}

/* Accessibility: skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent);
  color: white;
  border-radius: var(--radius-md);
  font-weight: var(--fw-semibold);
  z-index: 9999;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: var(--space-4);
}

/* Reduced motion */
@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;
  }
}

/* ============================================================
   3. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section-dark  { background-color: var(--color-bg-primary); color: var(--color-text-primary); }
.section-dark2 { background-color: var(--color-bg-secondary); color: var(--color-text-primary); }
.section-light { background-color: var(--color-light-bg); color: var(--color-text-dark); }

/* ============================================================
   4. TIPOGRAFÍA GLOBAL
   ============================================================ */
.text-gradient {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-4);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--fw-extrabold);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
  color: var(--color-text-primary);
}

.section-title.text-dark {
  color: var(--color-text-dark);
}

.section-desc {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.section-desc.text-dark-muted {
  color: var(--color-text-dark-muted);
}

.section-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: clamp(2rem, 4vw, 3rem);
  flex-wrap: wrap;
}

/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: var(--fw-semibold);
  font-size: var(--text-base);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
}

.btn--sm   { padding: 0.625rem 1.25rem; font-size: var(--text-sm); }
.btn--base { padding: 0.75rem 1.5rem; }
.btn--lg   { padding: 1rem 2rem; font-size: var(--text-lg); }
.btn--full { width: 100%; }

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #1D4ED8 100%);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(37,99,235,0.3);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(37,99,235,0.45);
  background: linear-gradient(135deg, #3B82F6 0%, var(--color-accent) 100%);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.25);
}

.btn--outline {
  background: transparent;
  color: var(--color-accent-cyan);
  border-color: var(--color-accent-cyan);
}
.btn--outline:hover {
  background: rgba(6,182,212,0.08);
}

/* ============================================================
   6. PLACEHOLDERS DE IMAGEN
   ============================================================ */
.img-placeholder {
  background: linear-gradient(135deg, #0A1628 0%, #111827 100%);
  border: 2px dashed rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.img-placeholder--tall { min-height: 400px; }

.img-placeholder--avatar {
  width: 56px;
  height: 56px;
  min-height: 56px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-8);
  text-align: center;
  color: rgba(255,255,255,0.3);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
}

.placeholder-inner small {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.2);
  display: block;
  margin-top: var(--space-1);
}

/* ============================================================
   7. ANIMACIONES DE ENTRADA
   ============================================================ */
.animate-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeSlideUp 0.6s ease forwards;
  animation-delay: var(--delay, 0ms);
}

.animate-in-right {
  opacity: 0;
  transform: translateX(40px);
  animation: fadeSlideLeft 0.7s ease forwards;
  animation-delay: 200ms;
}

@keyframes fadeSlideUp {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideLeft {
  to { opacity: 1; transform: translateX(0); }
}

/* Scroll-triggered animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children en grids */
.services-grid .service-card:nth-child(1) { transition-delay: 0.05s; }
.services-grid .service-card:nth-child(2) { transition-delay: 0.10s; }
.services-grid .service-card:nth-child(3) { transition-delay: 0.15s; }
.services-grid .service-card:nth-child(4) { transition-delay: 0.20s; }
.services-grid .service-card:nth-child(5) { transition-delay: 0.25s; }
.services-grid .service-card:nth-child(6) { transition-delay: 0.30s; }
.services-grid .service-card:nth-child(7) { transition-delay: 0.35s; }
.services-grid .service-card:nth-child(8) { transition-delay: 0.40s; }
.services-grid .service-card:nth-child(9) { transition-delay: 0.45s; }
.services-grid .service-card:nth-child(10){ transition-delay: 0.50s; }

/* ============================================================
   8. HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding-block: var(--space-4);
  background: transparent;
  transition: background var(--transition-slow), backdrop-filter var(--transition-slow), box-shadow var(--transition-slow);
}

.header.scrolled {
  background: rgba(5, 13, 31, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05), 0 4px 20px rgba(0,0,0,0.4);
}

.header.menu-open {
  background: var(--color-bg-primary) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}

.header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

/* Logo */
.header__logo,
.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.logo-accent {
  color: var(--color-accent-cyan);
}

/* Nav */
.header__nav {
  flex: 1;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.nav__link:hover {
  color: var(--color-text-primary);
  background: rgba(255,255,255,0.05);
}

.nav__chevron {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.nav__item--dropdown {
  position: relative;
}

.nav__item--dropdown:hover .nav__chevron {
  transform: rotate(180deg);
}

/* Dropdown */
.nav__dropdown {
  position: absolute;
  top: calc(100% + var(--space-3));
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  min-width: 480px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  transition-delay: 150ms; /* Delay para evitar cierre accidental */
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(8px);
}

/* Puente para evitar que el dropdown se cierre al mover el mouse por el gap */
.nav__dropdown::before {
  content: '';
  position: absolute;
  top: calc(var(--space-3) * -1);
  left: 0;
  right: 0;
  height: var(--space-3);
  background: transparent;
}

.nav__item--dropdown:hover .nav__dropdown,
.nav__item--dropdown:focus-within .nav__dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
  transition-delay: 0ms; /* Abrir instantáneamente al hover */
}

.dropdown__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.dropdown__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
  text-decoration: none;
}

.dropdown__item:hover {
  background: rgba(255,255,255,0.04);
}

.dropdown__icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}

.dropdown__item strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
}

.dropdown__item small {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* Header actions */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: auto;
}

/* Burger */
.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
}

.burger__line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.header__burger[aria-expanded="true"] .burger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header__burger[aria-expanded="true"] .burger__line:nth-child(2) {
  opacity: 0;
}
.header__burger[aria-expanded="true"] .burger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   9. HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 90px;
  padding-bottom: var(--space-20);
  overflow: hidden;
  background-color: var(--color-bg-primary);
}

/* Grid de puntos de fondo */
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Efectos de luz */
.hero__glow {
  position: absolute;
  border-radius: var(--radius-full);
  pointer-events: none;
  filter: blur(80px);
}

.hero__glow--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.12) 0%, transparent 70%);
  top: -10%;
  right: -5%;
}

.hero__glow--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
  bottom: 10%;
  left: -5%;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  position: relative;
  z-index: 1;
}

/* Badge */
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-accent-cyan);
  margin-bottom: var(--space-6);
}

.badge__dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background: var(--color-accent-cyan);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.3); }
}

/* Título hero */
.hero__title {
  font-size: clamp(2.2rem, 5vw, var(--text-7xl));
  font-weight: var(--fw-black);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.hero__subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

/* Trust indicators */
.hero__trust {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
}

/* ---- CSS Dashboard Mockup ---- */
.hero__visual {
  position: relative;
}

.dashboard-mockup {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  animation: float-mockup 6s ease-in-out infinite;
}

@keyframes float-mockup {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--color-border);
}

.mockup-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}
.dot-red    { background: #FF5F57; }
.dot-yellow { background: #FEBC2E; }
.dot-green  { background: #28C840; }

.mockup-url {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  margin-left: var(--space-4);
}

.mockup-body {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0;
  padding: var(--space-4);
  gap: var(--space-3);
}

/* Sidebar */
.mockup-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-2);
}

.mockup-logo-space {
  height: 20px;
  background: linear-gradient(90deg, rgba(37,99,235,0.4), rgba(6,182,212,0.4));
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.mockup-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
}

.mockup-nav-item.active {
  background: rgba(37,99,235,0.2);
}

.nav-item-icon {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: rgba(255,255,255,0.15);
  flex-shrink: 0;
}

.mockup-nav-item.active .nav-item-icon {
  background: var(--color-accent);
}

.nav-item-text {
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.1);
  flex: 1;
}
.nav-item-text.short { flex: 0.6; }

/* Main content */
.mockup-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.mockup-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.mockup-page-title {
  height: 8px;
  width: 80px;
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
}

.mockup-actions {
  display: flex;
  gap: var(--space-2);
}

.mockup-btn {
  height: 22px;
  width: 50px;
  border-radius: 5px;
  background: rgba(255,255,255,0.07);
}

.mockup-btn.accent {
  background: linear-gradient(90deg, rgba(37,99,235,0.6), rgba(6,182,212,0.6));
}

/* Stat cards row */
.mockup-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

.mockup-stat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.msc-label {
  height: 5px;
  width: 60%;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}

.msc-value {
  height: 10px;
  width: 80%;
  background: rgba(255,255,255,0.2);
  border-radius: 4px;
}

.msc-value.accent {
  background: linear-gradient(90deg, rgba(37,99,235,0.5), rgba(6,182,212,0.5));
}

.msc-change {
  height: 5px;
  width: 40%;
  border-radius: 3px;
}

.msc-change.positive { background: rgba(16,185,129,0.4); }
.msc-change.neutral  { background: rgba(255,255,255,0.1); }

/* Chart area */
.mockup-chart-area {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.chart-title-bar {
  height: 6px;
  width: 70px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
}

.chart-legend {
  display: flex;
  gap: var(--space-2);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}
.legend-dot.blue { background: var(--color-accent); }
.legend-dot.cyan { background: var(--color-accent-cyan); }

.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  height: 60px;
}

.chart-bar-wrap {
  flex: 1;
  display: flex;
  align-items: flex-end;
  height: 100%;
}

.chart-bar {
  width: 100%;
  height: var(--h, 50%);
  background: rgba(37,99,235,0.35);
  border-radius: 3px 3px 0 0;
  transition: height 0.4s ease;
}

.chart-bar.accent {
  background: linear-gradient(180deg, var(--color-accent-cyan) 0%, var(--color-accent) 100%);
}

.chart-bar-wrap.active .chart-bar {
  background: linear-gradient(180deg, #3B82F6 0%, var(--color-accent) 100%);
  box-shadow: 0 0 8px rgba(37,99,235,0.4);
}

/* Mockup table */
.mockup-table {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mt-row {
  display: grid;
  grid-template-columns: 2fr 1fr 0.7fr;
  gap: var(--space-2);
  align-items: center;
  padding: var(--space-2) 0;
}

.mt-row:not(:last-child) {
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.mt-cell {
  height: 7px;
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}

.mt-row.mt-header .mt-cell {
  height: 5px;
  background: rgba(255,255,255,0.07);
}

.mt-cell.short { width: 70%; }
.mt-cell.narrow { max-width: 40px; height: 16px; border-radius: var(--radius-sm); }

.badge-green  { background: rgba(16,185,129,0.3) !important; }
.badge-blue   { background: rgba(37,99,235,0.4)  !important; }
.badge-yellow { background: rgba(245,158,11,0.3) !important; }

/* Floating cards encima del mockup */
.hero__floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: rgba(10, 22, 40, 0.9);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-lg);
  animation: float-card 4s ease-in-out infinite;
}

.card-1 {
  bottom: -20px;
  left: -40px;
  animation-delay: 1s;
}

.card-2 {
  top: 30px;
  right: -40px;
  animation-delay: 2.5s;
}

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

.fc-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.fc-icon.success { background: rgba(16,185,129,0.15); }
.fc-icon.blue    { background: rgba(37,99,235,0.15); }

.fc-content strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
}

.fc-content span {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

/* Scroll indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  animation: bounce-down 2s infinite;
}

.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,0.3);
  border-radius: var(--radius-full);
  animation: scroll-wheel 2s infinite;
}

@keyframes scroll-wheel {
  0%   { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}

@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(5px); }
}

/* ============================================================
   10. TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-8);
}

.trust-bar__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.trust-bar__divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
  flex-shrink: 0;
}

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

.trust-stat__number {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: var(--fw-black);
  line-height: 1;
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
}

.trust-stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
}

/* ============================================================
   11. PROBLEMA / PROPUESTA DE VALOR
   ============================================================ */
.problem-section {
  padding-block: var(--section-pad-v);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-bottom: var(--space-16);
}

.problem-card {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.problem-card:hover {
  border-color: rgba(239,68,68,0.3);
  transform: translateY(-2px);
}

.problem-card__icon {
  margin-bottom: var(--space-5);
}

.problem-card__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.problem-card__desc {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Bridge */
.solution-bridge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.bridge-arrow {
  opacity: 0.6;
}

.bridge-text {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.6;
}

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

/* ============================================================
   12. SERVICIOS
   ============================================================ */
.services-section {
  padding-block: var(--section-pad-v);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--color-light-surface);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-xl);
  padding: var(--space-7);
  text-decoration: none;
  color: var(--color-text-dark);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(37,99,235,0.1);
}

.service-card__icon-wrap {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
  transition: background var(--transition-base);
}

.service-card:hover .service-card__icon-wrap {
  background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(6,182,212,0.2));
}

.service-card__title {
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-dark-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: var(--space-5);
}

.service-card__link {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent);
  margin-top: auto;
  transition: gap var(--transition-fast);
}

/* ============================================================
   13. BENEFICIOS
   ============================================================ */
.benefits-section {
  padding-block: var(--section-pad-v);
}

.benefits-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.benefits-content .section-label {
  display: block;
  text-align: left;
}

.benefits-content .section-title {
  text-align: left;
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
}

.benefits-content .section-desc {
  text-align: left;
  margin-bottom: var(--space-8);
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
}

.benefit-icon {
  width: 28px;
  height: 28px;
  background: rgba(16,185,129,0.12);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-item strong {
  display: block;
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.benefit-item p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Benefits visual */
.benefits-visual {
  position: relative;
}

.floating-badge {
  position: absolute;
  bottom: 30px;
  right: -20px;
  background: var(--color-accent);
  color: white;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: float-mockup 5s ease-in-out infinite;
  animation-delay: 1s;
}

.fb-number {
  font-size: var(--text-3xl);
  font-weight: var(--fw-black);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.fb-text {
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  opacity: 0.9;
  line-height: 1.4;
}

/* ============================================================
   14. PROCESO
   ============================================================ */
.process-section {
  padding-block: var(--section-pad-v);
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 39px;
  top: 56px;
  bottom: 56px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-cyan) 100%);
  opacity: 0.3;
}

.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: flex-start;
  gap: var(--space-6);
  padding-bottom: var(--space-8);
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-cyan) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--fw-black);
  font-family: var(--font-mono);
  color: white;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 20px rgba(37,99,235,0.3);
}

.step-icon {
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.step-title {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
  margin-bottom: var(--space-3);
}

.step-desc {
  color: var(--color-text-dark-muted);
  line-height: 1.7;
}

/* ============================================================
   15. SECTORES
   ============================================================ */
.sectors-section {
  padding-block: var(--section-pad-v);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-5);
}

.sector-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-7);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: border-color var(--transition-base), transform var(--transition-base), background var(--transition-base);
}

.sector-card:hover {
  border-color: rgba(6,182,212,0.4);
  background: rgba(6,182,212,0.04);
  transform: translateY(-2px);
}

.sector-card__icon {
  color: var(--color-accent-cyan);
  transition: transform var(--transition-spring);
}

.sector-card:hover .sector-card__icon {
  transform: scale(1.1);
}

.sector-card h3 {
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
}

.sector-card p {
  font-size: var(--text-sm);
  line-height: 1.6;
}

/* ============================================================
   16. CASOS DE USO
   ============================================================ */
.use-cases-section {
  padding-block: var(--section-pad-v);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(440px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}

.use-case-card {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-light-surface);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.use-case-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 8px 25px rgba(37,99,235,0.08);
}

.uc-before, .uc-after {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
}

.uc-before { background: rgba(239,68,68,0.05); border: 1px solid rgba(239,68,68,0.15); }
.uc-after  { background: rgba(16,185,129,0.05); border: 1px solid rgba(16,185,129,0.15); }

.uc-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.uc-label.before { background: rgba(239,68,68,0.15); color: #EF4444; }
.uc-label.after  { background: rgba(16,185,129,0.15); color: #10B981; }

.uc-before p, .uc-after p {
  font-size: var(--text-sm);
  color: var(--color-text-dark-muted);
  line-height: 1.5;
}

.uc-arrow {
  font-size: var(--text-2xl);
  color: var(--color-accent);
  font-weight: var(--fw-black);
  flex-shrink: 0;
}

.use-cases-cta {
  text-align: center;
}

.use-cases-cta p {
  font-size: var(--text-lg);
  color: var(--color-text-dark-muted);
  margin-bottom: var(--space-4);
}

/* ============================================================
   17. TECNOLOGÍAS
   ============================================================ */
.tech-section {
  padding-block: var(--section-pad-v);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-3);
}

.tech-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-3);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), background var(--transition-base), transform var(--transition-base);
  cursor: default;
}

.tech-item:hover {
  border-color: rgba(37,99,235,0.4);
  background: rgba(37,99,235,0.06);
  transform: translateY(-2px);
}

.tech-name {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  text-align: center;
}

.tech-item:hover .tech-name {
  color: var(--color-accent-cyan);
}

/* ============================================================
   18. DIFERENCIADORES
   ============================================================ */
.differentiators-section {
  padding-block: var(--section-pad-v);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.diff-card {
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  border: 1px solid;
}

.diff-card--negative {
  background: rgba(239,68,68,0.03);
  border-color: rgba(239,68,68,0.15);
}

.diff-card--positive {
  background: linear-gradient(135deg, rgba(37,99,235,0.05), rgba(6,182,212,0.05));
  border-color: rgba(37,99,235,0.3);
  box-shadow: 0 0 30px rgba(37,99,235,0.08);
  position: relative;
}

.diff-card__title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-light-border);
}

.diff-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.diff-list li {
  font-size: var(--text-sm);
  color: var(--color-text-dark-muted);
  padding-left: var(--space-5);
  position: relative;
}

.diff-list li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: #EF4444;
  font-weight: var(--fw-bold);
}

.diff-list.positive li::before {
  content: '✓';
  color: var(--color-success);
}

.diff-list.positive li {
  color: var(--color-text-dark);
  font-weight: var(--fw-medium);
}

/* ============================================================
   19. PROYECTOS
   ============================================================ */
.projects-section {
  padding-block: var(--section-pad-v);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: var(--space-6);
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  border-color: rgba(37,99,235,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card__image {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.project-card__image .img-placeholder {
  height: 100%;
  border-radius: 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: rgba(5,13,31,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

.project-card__body {
  padding: var(--space-6);
}

.project-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.tag {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(37,99,235,0.15);
  color: var(--color-accent-cyan);
  border: 1px solid rgba(37,99,235,0.2);
}

.project-card__title {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.project-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-4);
}

.project-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.project-sector {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-weight: var(--fw-medium);
}

.project-result {
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  color: var(--color-success);
}

/* ============================================================
   20. TESTIMONIOS
   ============================================================ */
.testimonials-section {
  padding-block: var(--section-pad-v);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--color-light-surface);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.testimonial-card:hover {
  border-color: rgba(37,99,235,0.2);
  box-shadow: 0 8px 25px rgba(37,99,235,0.06);
}

.testimonial-stars {
  color: #F59E0B;
  font-size: var(--text-lg);
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: var(--text-base);
  color: var(--color-text-dark-muted);
  line-height: 1.75;
  flex: 1;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-style: normal;
}

.testimonial-name {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text-dark);
  font-style: normal;
  margin-bottom: 2px;
}

.testimonial-role {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-dark-muted);
}

/* ============================================================
   21. AUTORIDAD
   ============================================================ */
.authority-section {
  padding-block: var(--section-pad-v);
  background: var(--color-bg-secondary);
}

.authority-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.authority-content .section-label { text-align: left; display: block; }
.authority-content .section-title { text-align: left; font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl)); }
.authority-content .section-desc  { text-align: left; margin-bottom: var(--space-8); }

.authority-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.authority-stat {
  text-align: center;
  padding: var(--space-8);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.astat-number {
  font-size: clamp(var(--text-4xl), 4vw, var(--text-6xl));
  font-weight: var(--fw-black);
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.astat-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
}

/* ============================================================
   22. FAQ
   ============================================================ */
.faq-section {
  padding-block: var(--section-pad-v);
}

.faq-list {
  max-width: 780px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-light-surface);
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item:hover {
  border-color: rgba(37,99,235,0.2);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--color-text-dark);
  background: none;
  border: none;
  cursor: pointer;
  gap: var(--space-4);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-question[aria-expanded="true"] {
  color: var(--color-accent);
}

.faq-icon {
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-text-dark-muted);
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.faq-answer {
  padding: 0 var(--space-6) var(--space-5);
  animation: faq-open 0.25s ease;
}

.faq-answer p {
  font-size: var(--text-base);
  color: var(--color-text-dark-muted);
  line-height: 1.75;
}

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   23. CTA FINAL / CONTACTO
   ============================================================ */
.cta-final-section {
  padding-block: var(--section-pad-v);
  position: relative;
  overflow: hidden;
}

.cta-glow-1, .cta-glow-2 {
  position: absolute;
  border-radius: var(--radius-full);
  pointer-events: none;
  filter: blur(100px);
}

.cta-glow-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(37,99,235,0.15), transparent 70%);
  top: -100px;
  left: -100px;
}

.cta-glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99,102,241,0.1), transparent 70%);
  bottom: -100px;
  right: -100px;
}

.cta-final-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  position: relative;
  z-index: 1;
}

.cta-final-content .section-label { display: block; text-align: left; }
.cta-final-content .section-title { text-align: left; }
.cta-final-content .section-desc  { text-align: left; margin-bottom: var(--space-8); }

.cta-guarantees {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  font-weight: var(--fw-medium);
}

/* Formulario */
.contact-form-wrapper {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
}

.form-title {
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-body);
}

.required { color: var(--color-accent-cyan); margin-left: 2px; }

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-family: var(--font-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.form-input.error,
.form-textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.form-textarea { resize: vertical; min-height: 110px; }

.form-privacy {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  text-align: center;
  justify-content: center;
}

.form-success {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: var(--radius-lg);
  margin-top: var(--space-4);
}

.form-success strong {
  display: block;
  font-weight: var(--fw-bold);
  color: var(--color-success);
  margin-bottom: var(--space-1);
}

.form-success p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* Alternativas de contacto */
.contact-alternatives {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.contact-alternatives p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.contact-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(37,211,102,0.12);
  border: 1px solid rgba(37,211,102,0.25);
  border-radius: var(--radius-full);
  color: #25D366;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  transition: all var(--transition-base);
  text-decoration: none;
}

.contact-whatsapp:hover {
  background: rgba(37,211,102,0.2);
  transform: translateY(-1px);
}

/* ============================================================
   24. FOOTER
   ============================================================ */
.footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border);
}

.footer__desc {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 320px;
}

.footer__social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: rgba(37,99,235,0.15);
  border-color: rgba(37,99,235,0.3);
  color: var(--color-accent-cyan);
  transform: translateY(-2px);
}

.footer__nav-title {
  font-size: var(--text-sm);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-5);
}

.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav-list a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer__nav-list a:hover {
  color: var(--color-accent-cyan);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer__brand-link {
  color: var(--color-accent-cyan);
  text-decoration: none;
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer__legal a:hover {
  color: var(--color-text-secondary);
}

/* ============================================================
   25. BOTÓN FLOTANTE WHATSAPP
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  background: #25D366;
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 900;
  transition: transform var(--transition-spring), box-shadow var(--transition-base);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}

.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  background: rgba(5,13,31,0.95);
  color: white;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
  border: 1px solid var(--color-border);
  opacity: 0;
  transform: translateX(4px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   26. RESPONSIVE — Tablet (≤ 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    order: 1;
  }

  .hero__visual {
    order: 2;
    max-width: 560px;
    margin-inline: auto;
  }

  .hero__subtitle { max-width: 100%; }
  .hero__actions  { justify-content: center; }
  .hero__trust    { justify-content: center; }
  .hero__badge    { margin-inline: auto; }

  .card-1 { left: -10px; }
  .card-2 { right: -10px; }

  .benefits-inner,
  .cta-final-inner,
  .authority-inner {
    grid-template-columns: 1fr;
  }

  .authority-stats {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .diff-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
  }

  .footer__top {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

/* ============================================================
   27. RESPONSIVE — Mobile (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  /* Header mobile */
  .header__nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-primary);
    z-index: 999;
    padding: 100px var(--space-6) var(--space-6);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
  }

  .header__nav.open {
    transform: translateX(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .nav__link {
    padding: var(--space-4);
    font-size: var(--text-lg);
    font-weight: var(--fw-semibold);
    color: var(--color-text-primary);
    width: 100%;
    justify-content: space-between;
  }

  .nav__dropdown {
    position: static;
    transform: none;
    min-width: auto;
    padding: var(--space-3) 0; /* Removing horizontal padding for inline look */
    box-shadow: none;
    border-radius: 0;
    background: transparent;
    border: none;
    display: none;
  }

  .nav__item--dropdown.open .nav__dropdown {
    display: block;
    opacity: 1;
    visibility: visible;
  }

  .nav__item--dropdown:hover .nav__dropdown,
  .nav__item--dropdown:focus-within .nav__dropdown {
    transform: none;
  }

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

  .header__burger {
    display: flex;
    z-index: 1000;
    position: relative;
  }

  .header__actions .btn--primary {
    display: none;
  }

  /* Secciones */
  .problem-grid {
    grid-template-columns: 1fr;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .use-case-card {
    grid-template-columns: 1fr;
  }

  .uc-arrow {
    text-align: center;
    font-size: var(--text-xl);
    transform: rotate(90deg);
  }

  .authority-stats {
    grid-template-columns: 1fr 1fr;
  }

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

  .trust-bar__inner {
    gap: var(--space-5);
  }

  .trust-bar__divider {
    display: none;
  }

  .footer__top {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .process-steps::before {
    left: 27px;
  }

  .process-step {
    grid-template-columns: 56px 1fr;
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: var(--text-xs);
  }

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

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

  .hero__floating-card { display: none; }
  .hero__scroll-indicator { display: none; }

  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

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

/* ============================================================
   28. RESPONSIVE — Mobile pequeño (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero__title { font-size: 1.9rem; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .section-cta { flex-direction: column; align-items: stretch; }
  .section-cta .btn { justify-content: center; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .authority-stats { grid-template-columns: 1fr 1fr; gap: var(--space-4); }
}

/* ============================================================
   29. TARJETAS DE PROYECTOS/SISTEMAS CREADOS (GLOBLAS)
   ============================================================ */
.systems-section {
  background-color: #050D1F;
  padding-block: var(--section-pad-v);
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.system-card {
  background: #0A1628;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  height: 100%;
}

.system-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  border-color: rgba(6, 182, 212, 0.25);
}

.system-card__img-container {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.system-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-spring);
}

.system-card:hover .system-card__image {
  transform: scale(1.04);
}

.system-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.system-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  min-height: 3.1rem; /* Asegura alineación */
}

.system-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.system-card__title a:hover {
  color: var(--color-accent-cyan);
}

.system-card__desc {
  font-size: 0.875rem;
  color: #9CA3AF;
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.system-card__readmore {
  font-size: 0.8rem;
  font-weight: 700;
  color: #06B6D4;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  transition: opacity var(--transition-fast);
}

.system-card__readmore:hover {
  opacity: 0.8;
}

.system-card__actions {
  display: flex;
  gap: 0.75rem;
  margin-top: auto;
}

.btn-system-ver {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  background: #00b0ff;
  color: #ffffff;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 176, 255, 0.25);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  border: none;
  cursor: pointer;
}

.btn-system-ver:hover {
  background: #0091ea;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 176, 255, 0.35);
}

@media (max-width: 1200px) {
  .systems-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 640px) {
  .systems-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .system-card__title {
    min-height: auto;
  }
}