/* ==========================================================================
   VISION 4 IT SOLUTIONS - MODERN DESIGN SYSTEM (2026)
   Inspired by architectural & mission-critical software engineering aesthetics
   ========================================================================== */

:root {
  /* Color Palette */
  --color-brand-blue: #0238A8;
  --color-brand-blue-hover: #01287A;
  --color-brand-cyan: #00B2E3;
  --color-brand-cyan-light: rgba(0, 178, 227, 0.12);
  --color-brand-orange: #FF5C12;
  --color-brand-orange-light: rgba(255, 92, 18, 0.12);
  
  --color-slate-950: #060B18;
  --color-slate-900: #0B132B;
  --color-slate-800: #1C2541;
  --color-slate-700: #334155;
  --color-slate-600: #475569;
  --color-slate-500: #64748B;
  --color-slate-400: #94A3B8;
  --color-slate-300: #CBD5E1;
  --color-slate-200: #E2E8F0;
  --color-slate-100: #F1F5F9;
  --color-slate-50: #F8FAFC;
  --color-white: #FFFFFF;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Space Grotesk', 'Montserrat', sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, monospace;

  /* Spacing & Layout */
  --max-width: 1240px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 25px rgba(0, 178, 227, 0.25);

  /* Transitions */
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-slate-700);
  background-color: var(--color-white);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background-color: var(--color-brand-blue);
  color: var(--color-white);
}

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

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

button, input, textarea, select {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--color-white);
}
::-webkit-scrollbar-thumb {
  background: var(--color-slate-300);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-brand-blue);
}

/* Utility Containers & Backgrounds */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.grid-pattern {
  background-size: 32px 32px;
  background-image: 
    linear-gradient(to right, rgba(2, 56, 168, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(2, 56, 168, 0.04) 1px, transparent 1px);
}

.dot-pattern {
  background-image: radial-gradient(rgba(2, 56, 168, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Section Common Styles */
section {
  position: relative;
  padding-top: 100px;
  padding-bottom: 100px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.section-eyebrow.blue {
  color: var(--color-brand-blue);
}

.section-eyebrow.orange {
  color: var(--color-brand-orange);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 700;
  color: var(--color-slate-900);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--color-slate-600);
  line-height: 1.65;
  max-width: 680px;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-slate-200);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  height: 72px;
}

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

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  color: var(--color-slate-900);
}

.header-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

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

.header-brand-text {
  display: flex;
  flex-direction: column;
}

.header-brand-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-brand-blue);
  letter-spacing: 0.04em;
  line-height: 1;
}

.header-brand-sub {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--color-slate-500);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 24px;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-700);
  padding: 6px 4px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-brand-blue);
  transition: width var(--transition-fast);
}

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

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--color-brand-blue);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--color-slate-900);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--color-slate-50);
  color: var(--color-slate-800);
  border: 1px solid var(--color-slate-200);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--color-white);
  border-color: var(--color-brand-blue);
  color: var(--color-brand-blue);
}

.btn-orange {
  background-color: var(--color-brand-orange);
  color: var(--color-white);
}

.btn-orange:hover {
  background-color: var(--color-slate-900);
  color: var(--color-white);
}

.btn-mobile-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-slate-200);
  color: var(--color-slate-800);
}

@media (min-width: 1024px) {
  .btn-mobile-menu {
    display: none;
  }
}

/* Mobile Nav Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--color-white);
  z-index: 1200;
  box-shadow: var(--shadow-xl);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-normal);
}

.mobile-drawer.open {
  right: 0;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(11, 19, 43, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-slate-200);
  padding-bottom: 16px;
}

.mobile-drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.mobile-nav-link {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-slate-800);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-slate-100);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  border-bottom: 1px solid var(--color-slate-200);
  background-color: var(--color-white);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: rgba(2, 56, 168, 0.06);
  border: 1px solid rgba(2, 56, 168, 0.15);
  border-radius: var(--radius-sm);
  color: var(--color-brand-blue);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-brand-orange);
  animation: pulseAnimation 2s infinite;
}

.pulse-dot.green {
  background-color: #10B981;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 92, 18, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 7px rgba(255, 92, 18, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 92, 18, 0); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 4.5vw, 3.65rem);
  font-weight: 800;
  color: var(--color-slate-900);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 22px;
}

.hero-title .highlight {
  color: var(--color-brand-blue);
  position: relative;
  display: inline-block;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--color-slate-600);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 620px;
}

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

@media (min-width: 640px) {
  .hero-cta-group {
    flex-direction: row;
    align-items: center;
  }
}

.hero-metrics-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--color-slate-200);
}

@media (min-width: 640px) {
  .hero-metrics-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-val {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--color-brand-blue);
  line-height: 1;
}

.metric-val.orange {
  color: var(--color-brand-orange);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-slate-500);
  margin-top: 4px;
}

/* Hero Visual Card */
.hero-visual-card {
  position: relative;
  background-color: var(--color-slate-900);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-slate-800);
  overflow: hidden;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-slate-400);
}

.hero-card-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #10B981;
  font-weight: 600;
}

.hero-card-img-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #030712;
  aspect-ratio: 16 / 9;
}

.hero-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-visual-card:hover .hero-card-img {
  transform: scale(1.03);
}

.hero-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  margin-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-slate-400);
}

/* ==========================================================================
   CLIENTS & TRUST STRIP
   ========================================================================== */
.trust-strip {
  padding-top: 50px;
  padding-bottom: 50px;
  background-color: var(--color-slate-50);
  border-bottom: 1px solid var(--color-slate-200);
}

.trust-title {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-slate-500);
  margin-bottom: 30px;
}

.logos-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 32px 48px;
}

.client-logo-item {
  display: flex;
  align-items: center;
  justify-content: center;
  filter: grayscale(100%) opacity(65%);
  transition: all var(--transition-fast);
  max-height: 42px;
}

.client-logo-item:hover {
  filter: grayscale(0%) opacity(100%);
  transform: translateY(-2px);
}

.client-logo-item img {
  max-height: 38px;
  width: auto;
  object-fit: contain;
}

.client-logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-slate-700);
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   THE CHALLENGE (DESAFIO)
   ========================================================================== */
.challenge-section {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
}

.challenge-box {
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-left: 4px solid var(--color-brand-blue);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  margin-top: 32px;
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--color-slate-900);
  line-height: 1.6;
}

/* ==========================================================================
   CAPABILITIES / SERVICES
   ========================================================================== */
.services-section {
  background-color: var(--color-slate-50);
  border-bottom: 1px solid var(--color-slate-200);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 50px;
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: transparent;
  transition: background-color var(--transition-fast);
}

.service-card:hover {
  border-color: var(--color-brand-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
  background-color: var(--color-brand-blue);
}

.service-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: rgba(2, 56, 168, 0.08);
  color: var(--color-brand-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background-color: var(--color-brand-blue);
  color: var(--color-white);
}

.service-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-card:hover .service-title {
  color: var(--color-brand-blue);
}

.service-desc {
  font-size: 0.9rem;
  color: var(--color-slate-600);
  line-height: 1.6;
  margin-bottom: 24px;
}

.service-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-top: 1px solid var(--color-slate-100);
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-slate-500);
}

.tech-tag {
  background-color: var(--color-slate-100);
  padding: 3px 8px;
  border-radius: 4px;
}

/* ==========================================================================
   PROPRIETARY PRODUCT: NUBE4 ERP SUITE
   ========================================================================== */
.nube4-section {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
}

.nube4-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 40px;
}

@media (min-width: 1024px) {
  .nube4-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.nube4-modules-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 28px;
}

.nube4-module-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nube4-module-item:hover {
  border-color: var(--color-brand-cyan);
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.module-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-brand-blue);
  background-color: rgba(2, 56, 168, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.module-info h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 4px;
}

.module-info p {
  font-size: 0.85rem;
  color: var(--color-slate-600);
  line-height: 1.5;
}

.module-proof {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-brand-blue);
  font-weight: 600;
  margin-top: 6px;
  display: block;
}

/* ==========================================================================
   CASE STUDIES (PROOF)
   ========================================================================== */
.proof-section {
  background-color: var(--color-slate-50);
  border-bottom: 1px solid var(--color-slate-200);
}

.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 48px;
}

@media (min-width: 900px) {
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.case-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--color-brand-blue);
  transform: translateY(-3px);
}

.case-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.case-client-badge {
  padding: 4px 10px;
  border-radius: 4px;
  background-color: rgba(2, 56, 168, 0.08);
  color: var(--color-brand-blue);
}

.case-card.orange .case-client-badge {
  background-color: rgba(255, 92, 18, 0.08);
  color: var(--color-brand-orange);
}

.case-headline {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-slate-900);
  line-height: 1.3;
  margin-bottom: 14px;
}

.case-summary {
  font-size: 0.92rem;
  color: var(--color-slate-600);
  line-height: 1.6;
  margin-bottom: 24px;
}

.case-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-top: 1px solid var(--color-slate-200);
  border-bottom: 1px solid var(--color-slate-200);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}

.case-metric-box {
  padding: 4px 8px;
}

.case-metric-box:not(:first-child) {
  border-left: 1px solid var(--color-slate-200);
}

.case-metric-num {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-brand-blue);
  line-height: 1.1;
  display: block;
}

.case-card.orange .case-metric-num {
  color: var(--color-brand-orange);
}

.case-metric-txt {
  font-size: 0.72rem;
  color: var(--color-slate-500);
  margin-top: 2px;
  display: block;
}

.case-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-brand-blue);
  transition: all var(--transition-fast);
}

.case-card.orange .case-btn {
  color: var(--color-brand-orange);
}

.case-btn:hover {
  gap: 12px;
}

/* ==========================================================================
   PRINCIPLES (DARK SLATE)
   ========================================================================== */
.principles-section {
  background-color: var(--color-slate-950);
  color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-800);
}

.principles-section .section-title {
  color: var(--color-white);
}

.principles-section .section-desc {
  color: var(--color-slate-400);
}

.principles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

@media (min-width: 768px) {
  .principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.principle-card {
  background-color: rgba(28, 37, 65, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: all var(--transition-normal);
}

.principle-card:hover {
  border-color: var(--color-brand-orange);
  background-color: rgba(28, 37, 65, 0.7);
  transform: translateY(-2px);
}

.principle-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-brand-orange);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.principle-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 12px;
  line-height: 1.3;
}

.principle-desc {
  font-size: 0.9rem;
  color: var(--color-slate-400);
  line-height: 1.6;
}

/* ==========================================================================
   INDUSTRIES SECTION
   ========================================================================== */
.industries-section {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-slate-200);
}

.industries-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  margin-top: 48px;
}

@media (min-width: 1024px) {
  .industries-grid {
    grid-template-columns: 0.95fr 1.05fr;
  }
}

.industry-pills-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.industry-pill {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-slate-800);
  transition: all var(--transition-fast);
}

.industry-pill:hover {
  border-color: var(--color-brand-blue);
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.industry-pill-icon {
  color: var(--color-brand-blue);
  font-size: 1.15rem;
}

.industry-callout-card {
  background-color: var(--color-slate-50);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
}

.industry-tags-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.ind-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 4px;
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  color: var(--color-slate-600);
}

/* ==========================================================================
   WHY V4 (NOSOTROS)
   ========================================================================== */
.why-section {
  background-color: var(--color-slate-50);
  border-bottom: 1px solid var(--color-slate-200);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

@media (min-width: 640px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.why-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-slate-200);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.why-card:hover {
  border-color: var(--color-brand-blue);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.why-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-brand-blue);
  margin-bottom: 12px;
}

.why-card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-slate-900);
  margin-bottom: 10px;
}

.why-card-desc {
  font-size: 0.85rem;
  color: var(--color-slate-600);
  line-height: 1.55;
}

/* ==========================================================================
   CALL TO ACTION & CONTACT FORM
   ========================================================================== */
.contact-section {
  background-color: var(--color-white);
  padding-bottom: 110px;
}

.contact-card-wrapper {
  background-color: var(--color-slate-900);
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  color: var(--color-white);
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

@media (min-width: 900px) {
  .contact-card-wrapper {
    padding: 64px 56px;
  }
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

@media (min-width: 960px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }
}

.contact-info-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.contact-info-desc {
  font-size: 1.05rem;
  color: var(--color-slate-300);
  line-height: 1.6;
  margin-bottom: 32px;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-slate-300);
}

.contact-detail-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  background-color: var(--color-white);
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  color: var(--color-slate-800);
  box-shadow: var(--shadow-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-slate-700);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-slate-300);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--color-slate-900);
  background-color: var(--color-white);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-brand-blue);
  box-shadow: 0 0 0 3px rgba(2, 56, 168, 0.15);
}

.form-status {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  display: none;
}

.form-status.success {
  display: block;
  background-color: #DEF7EC;
  color: #03543F;
  border: 1px solid #BCF0DA;
}

.form-status.error {
  display: block;
  background-color: #FDE8E8;
  color: #9B1C1C;
  border: 1px solid #F8B4B4;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--color-slate-950);
  color: var(--color-slate-400);
  padding-top: 70px;
  padding-bottom: 40px;
  border-top: 1px solid var(--color-slate-800);
  font-size: 0.85rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand-col p {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--color-slate-400);
  line-height: 1.6;
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-white);
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.82rem;
}

.footer-links a:hover {
  color: var(--color-brand-cyan);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--color-slate-900);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-slate-500);
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* ==========================================================================
   MODALS (CONTACT & CASE DETAILS)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(6, 11, 24, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.modal-overlay.open {
  display: flex;
  opacity: 1;
}

.modal-container {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 620px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 36px 32px;
  position: relative;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-slate-200);
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal-container {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  color: var(--color-slate-400);
  font-size: 1.4rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--color-slate-900);
  background-color: var(--color-slate-100);
}